For most of their life corals are sessile animals of colonies of genetically identical polyps. Each polyp varies from millimeters to centimeters in diameter, and colonies can be formed from many millions of individual polyps. Stony coral, also known as hard coral, polyps produce a skeleton composed of calcium carbonate to strengthen and protect the organism. This is deposited by the polyps and by the coenosarc, the living tissue that connects them. The polyps sit in cup-shaped depressions in the skeleton known as corallites. Colonies of stony coral are very variable in appearance; a single species may adopt an encrusting, plate-like, bushy, columnar or massive solid structure, the various forms often being linked to different types of habitat, with variations in light level and water movement being significant.
The body of the polyp may be roughly compared in a structure to a sac, the wall of which is composed of two layers of cells. The outer layer is known technically as the ectoderm, the inner layer as the endoderm. Between ectoderm and endoderm is a supporting layer of gelatinous substance termed mesoglea, secreted by the cell layers of the body wall. The mesoglea can contain skeletal elements derived from cells migrated from the ectoderm.
The sac-like body built up in this way is attached to a hard surface, which in hard corals are cup-shaped depressions in the skeleton known as corallites. At the center of the upper end of the sac lies the only opening called the mouth, surrounded by a circle of tentacles which resemble glove fingers. The tentacles are organs which serve both for tactile sense and for the capture of food. Polyps extend their tentacles, particularly at night, often containing coiled stinging cells (cnidocytes) which pierce, poison and firmly hold living prey paralyzing or killing them. Polyp prey includes plankton such as copepods and fish larvae. Longitudinal muscular fibers formed from the cells of the ectoderm allow tentacles to contract to convey the food to the mouth. Similarly, circularly disposed muscular fibres formed from the endoderm permit tentacles to be protracted or thrust out once they are contracted. In both stony and soft corals, the polyps can be retracted by contracting muscle fibres, with stony corals relying on their hard skeleton and cnidocytes for defense. Soft corals generally secrete terpenoid toxins to ward off predators.
In most corals, the tentacles are retracted by day and spread out at night to catch plankton and other small organisms. Shallow-water species of both stony and soft corals can be zooxanthellate, the corals supplementing their plankton diet with the products of photosynthesis produced by these symbionts. The polyps interconnect by a complex and well-developed system of gastrovascular canals, allowing significant sharing of nutrients and symbionts.
The external form of the polyp varies greatly. The column may be long and slender, or may be so short in the axial direction that the body becomes disk-like. The tentacles may number many hundreds or may be very few, in rare cases only one or two. They may be simple and unbranched, or feathery in pattern. The mouth may be level with the surface of the peristome, or may be projecting and trumpet-shaped.


The polyps of stony corals have six-fold symmetry. In stony corals, the tentacles are cylindrical and taper to a point, but in soft corals they are pinnate with side branches known as pinnules. In some tropical species, these are reduced to mere stubs and in some, they are fused to give a paddle-like appearance.
Coral skeletons are biocomposites (mineral + organics) of calcium carbonate, in the form of calcite or aragonite. In scleractinian corals, "centers of calcification" and fibers are clearly distinct structures differing with respect to both morphology and chemical compositions of the crystalline units. The organic matrices extracted from diverse species are acidic, and comprise proteins, sulphated sugars and lipids; they are species specific. The soluble organic matrices of the skeletons allow to differentiate zooxanthellae and non-zooxanthellae specimens.


Many corals, as well as other cnidarian groups such as sea anemones form a symbiotic relationship with a class of dinoflagellate algae, zooxanthellae of the genus Symbiodinium, which can form as much as 30% of the tissue of a polyp. Typically, each polyp harbors one species of alga, and coral species show a preference for Symbiodinium. Young corals are not born with zooxanthellae, but acquire the algae from the surrounding environment, including the water column and local sediment. The main benefit of the zooxanthellae is their ability to photosynthesize which supplies corals with the products of photosynthesis, including glucose, glycerol, and amino acids, which the corals can use for energy. Zooxanthellae also benefit corals by aiding in calcification, for the coral skeleton, and waste removal. In addition to the soft tissue, microbiomes are also found in the coral's mucus and (in stony corals) the skeleton, with the latter showing the greatest microbial richness.
The zooxanthellae benefit from a safe place to live and consume the polyp's carbon dioxide, phosphate and nitrogenous waste. Stressed corals will eject their zooxanthellae, a process that is becoming increasingly common due to strain placed on coral by rising ocean temperatures. Mass ejections are known as coral bleaching because the algae contribute to coral coloration; some colors, however, are due to host coral pigments, such as green fluorescent proteins (GFPs). Ejection increases the polyp's chance of surviving short-term stress and if the stress subsides they can regain algae, possibly of a different species, at a later time. If the stressful conditions persist, the polyp eventually dies. Zooxanthellae are located within the coral cytoplasm and due to the algae's photosynthetic activity the internal pH of the coral can be raised; this behavior indicates that the zooxanthellae are responsible to some extent for the metabolism of their host corals.


The family Liliaceae was described by Michel Adanson in 1763 and formally named by Antoine Laurent de Jussieu in 1789. Jussieu defined this grouping as having a calyx of six equal colored parts, six stamens, a superior ovary, single style, and a trilocular (three-chambered) capsule. By 1845, John Lindley, the first English systematist, unhappily acknowledged the great diversity in the circumscription of the family, and that it had expanded vastly, with many subdivisions. As he saw it, the Liliaceae were already paraphyletic ("catch-all"), being all Liliales not included in the other orders, but hoped that the future would reveal some characteristic that would group them better. He recognized  133 genera and 1200 species. By the time of the next major British classification – that of Bentham and Hooker in 1883 (published in Latin) – several of Lindley's other families had already been absorbed into the Liliaceae. Over time the family became increasingly broad and somewhat arbitrarily defined as all species of plants with six tepals and a superior ovary, eventually coming to encompass about 300 genera and 4,500 species within the order Liliales under the Cronquist system (1981). Cronquist merged the Liliaceae with the Amaryllidaceae, making this one of the largest monocotyledon families.
Many other botanists echoed Lindley's earlier concerns about the phylogeny of the Liliaceae, but various schemes to divide the family gained little traction. Dahlgren (1985) suggested there were in fact forty – not one – families distributed over three orders (predominantly Liliales and Asparagales). In the context of a general review of the classification of angiosperms, the Liliaceae were subjected to more intense scrutiny. Considerable progress in plant phylogeny and phylogenetic theory enabled a phylogenetic tree to be constructed for all of the flowering plants, as elaborated by the Angiosperm Phylogeny Group (1998).


Inflorescence
Usually indeterminate (lacking terminal flower) as a raceme (Lilium); sometimes reduced to a single terminal flower (Tulipa). When pluriflor (multiple blooms), the flowers are arranged in a cluster or rarely are subumbellate (Gagea) or a thyrse (spike).
Flowers
Hermaphroditic, actinomorphic (radially symmetric) or slightly zygomorphic (bilaterally symmetric), pedicellate (on a short secondary stem), generally large and showy but may be inconspicuous : (Medeoleae). Bracts may (bracteate) or may not (ebracteate) be present. The perianth is undifferentiated (perigonium) and biseriate (two whorled), formed from six tepals arranged into two separate whorls of three parts (trimerous) each, although Scoliopus has only three petals, free from the other parts, but overlapping. The tepals are usually petaloid (petal like) and apotepalous (free) with lines (striate) or marks in other colors or shades. The perianth is either homochlamydeous (all tepals equal, e.g. Fritillaria) or dichlamydeous (two separate and different whorls, e.g. Calochortus) and may be united into a tube. Nectar is produced in perigonal nectaries at the base of the tepals.
Androecium
Six stamens  in two trimerous whorls, with free filaments, usually epiphyllous (fused to tepals) and diplostemonous (outer whorl of stamens opposite outer tepals and the inner whorl opposite inner tepals), although Scoliopus has three stamens opposite the outer tepals. The attachment of the anthers to the filaments may be either peltate (to the surface) or pseudo-basifixed (surrounding the filament tip, but not adnate, that is not fused) and dehisce longitudinally and are extrorse (dehiscing away from center). The pollen is usually monosulcate (single groove), but may be inaperturate (lacking aperture: Clintonia, some Tulipa spp.) or operculate (lidded: Fritillaria, some Tulipa spp.), and reticulate (net patterned: Erythronium, Fritillaria, Gagea, Lilium, Tulipa).
Gynoecium
Superior ovary (hypogynous), syncarpous (with fused carpels), with three connate (fused) carpels and is trilocular (three locules, or chambers) or unilocular (single locule, as in Scoliopus and Medeola). There is a single style and a three lobed stigma or three stigmata more or less elongated along the style. There are numerous anatropous (curved) ovules which display axile placentation (parietal in Scoliopus and Medeola), usually with an integument and thinner megasporangium. The embryo sac (megagametophyte) varies by genera, but is mainly tetrasporic (e.g. Fritillaria). Embryo sacs in which three of the four megaspores fuse to form a triploid nucleus, are referred to as Fritillaria-type, a characteristic shared by all the core Liliales.
Fruit
A capsule that is usually loculicidal (splitting along the locules) as in the Lilioideae, but occasionally septicidal (splitting between them, along the separating septa) in the Calachortoideae and wind dispersed, although the Medeoleae form berries (baccate). The seeds may be flat, oblong, angular, discoid, ellipsoid or globose (spherical), or compressed with a well developed epidermis. The exterior may be smooth or roughened, with a wing or raphe (ridge), aril or one to two tails, rarely hairy, but may be dull or shiny and the lack of a black integument distinguishes them from related taxa such as Allioideae that were previously included in this family, and striate (parallel longitudinally ridged) in the Steptopoideae. The hilum (scar) is generally inconspicuous. The bitegmic (separate testa and tegmen) seed coat itself may be thin, suberose (like cork), or crustaceous (hard or brittle). The endosperm is abundant, cartilaginous (fleshy) or horny and contains oils and aleurone but not starch (non-farinaceous). Its cells are polyploid (triploid or pentaploid, depending on the embryo sac type). The embryo is small (usually less than one quarter of seed volume), axile (radially sectioned), linear (longer than broad) or rarely rudimentary (tiny relative to endosperm) depending on placentation type, and straight, bent, curved or curled at the upper end.
Leaves
Simple, entire (smooth and even), linear, oval to filiform (thread-like), mostly with parallel veins, but occasionally net-veined. They are alternate (single and alternating direction) and spiral, but may be whorled (three or more attached at one node, e.g. Lilium, Fritillaria), cauline (arranged along the aerial stem) or sheathed in a basal rosette. They are rarely petiolate (stem attached before apex), and lack stipules. The aerial stem is unbranched.
Genome
The Liliaceae include the species with the largest genome size within the angiosperms, Fritillaria assyriaca (1C=127.4 pg), while Tricyrtis macropoda is as small as 4.25 pg. Chromosome numbers vary by genus. Some genera like Calochortus (x=6-10), Prosartes (6,8,9,11), Scoliopus (7,8), Streptopus (8, 27) and Tricyrtis (12-13) have a small and variable number of chromosomes while subfamily Lilioideae have a larger and more stable chromosome number (12) as have the Medeoleae (7).
Phytochemistry
The seeds contain saponins but no calcium oxalate raphide crystals, chelidonic acid (unlike Asparagales) or cysteine derived sulphur compounds (allyl sulphides), another distinguishing feature from the characteristic alliaceous odour of the Allioideae. Fritillaria in particular contains steroidal alkaloids of the cevanine and solanum type. Solanidine and solanthrene alkaloids have been isolated from some Fritillaria species. Tulipa  contains tulipanin, an anthocyanin. (see also: Toxicology)
Characteristics often vary by habitat, between shade-dwelling genera (such as Prosartes, Tricyrtis, Cardiocrinum, Clintonia, Medeola, Prosartes, and Scoliopus) and sun loving genera. Shade-dwelling genera usually have broader leaves with smooth edges and net venation, and fleshy fruits (berries) with animal-dispersed seeds, rhizomes, and small, inconspicuous flowers while genera native to sunny habitats usually have narrow, parallel-veined leaves, capsular fruits with wind-dispersed seeds, bulbs, and large, visually conspicuous flowers. (See also Evolution).


The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a fair amount of morphological diversity despite genetic similarity. Common characteristics include large flowers with parts arranged in threes: with six colored or patterned petaloid tepals (undifferentiated petals and sepals) arranged in two whorls, six stamens and a superior ovary.  The leaves are linear in shape, with their veins usually arranged parallel to the edges, single and arranged alternating on the stem, or in a rosette at the base. Most species are grown from bulbs, although some have rhizomes. First described in 1789, the lily family became a paraphyletic "catch-all" (wastebasket)  group of petaloid monocots that did not fit into other families and included a great number of genera now included in other families and in some cases in other orders. Consequently, many sources and descriptions labelled "Liliaceae" deal with the broader sense of the family.
The family evolved approximately 68 million years ago during the Late Cretaceous to Early Paleogene epochs. Liliaceae are widely distributed, mainly in temperate regions of the Northern Hemisphere and the flowers are insect pollinated. Many Liliaceae are important ornamental plants, widely grown for their attractive flowers and involved in a major floriculture of cut flowers and dry bulbs. Some species are poisonous if eaten and can have adverse health effects in humans and household pets.
A number of Liliaceae genera are popular cultivated plants in private and public spaces. Lilies and tulips in particular have had considerable symbolic and decorative value, and appear frequently in paintings and the decorative arts. They are also an economically important product. Most of their genera, Lilium in particular, face considerable herbivory pressure from deer in some areas, both wild and domestic.


Diosgenin is a precursor for several hormones, starting with the Marker degradation process, which includes synthesis of progesterone. The process was used in the early manufacturing of combined oral contraceptive pills.


Diosgenin, a phytosteroid sapogenin, is the product of hydrolysis by acids, strong bases, or enzymes  of saponins, extracted from the  tubers of Dioscorea wild yam species, such as the Kokoro. The sugar-free (aglycone) product of such hydrolysis, diosgenin is used for the commercial synthesis of cortisone, pregnenolone, progesterone, and other steroid products.


1865 (MDCCCLXV) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1865th year of the Common Era (CE) and Anno Domini (AD) designations, the 865th  year of the 2nd millennium, the 65th  year of the 19th century, and the  6th   year of the 1860s decade. As of the start of 1865, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.


Ernest Hogan, African-American dancer, musician, and comedian (d. 1909)
Habibullah Qurayshi, Bengali Islamic scholar and educationist (d. 1943)


Anthropogenic heath habitats are a cultural landscape that can be found worldwide in locations as diverse as northern and western Europe, the Americas, Australia, New Zealand, Madagascar and New Guinea.
These heaths were originally made or expanded by centuries of human clearance of the natural forest and woodland vegetation, by grazing and burning. In some cases this clearance went so far that parts of the heathland have given way to open spots of pure sand and sand dunes, with a local climate that, even in Europe, can rise to temperatures of 50 °C (122 °F) in summer, drying the sand spot bordering the heathland and further raising its vulnerability for wildfires. Referring to heathland in England, Oliver Rackham says, "Heaths are clearly the product of human activities and need to be managed as heathland; if neglected they turn into woodland".
In recent years, the conservation value of  these man-made heaths has become much more appreciated, due to their historical cultural value as habitats; consequently, most heathlands are protected. However they are also threatened by tree incursion because of the discontinuation of traditional management techniques, such as grazing and burning, that mediated the landscapes. Some are also threatened by urban sprawl. Anthropogenic heathlands are maintained artificially by a combination of grazing and periodic burning (known as swailing), or (rarely) mowing; if not so maintained, they are rapidly recolonised by forest or woodland. The recolonising tree species will depend on what is available as the local seed source, and thus it may not reflect the natural vegetation before the heathland became established.


Heathland is favoured where climatic conditions are typically hard and dry, particularly in summer, and soils acidic, of low fertility, and often sandy and very free-draining; a mire may occur where drainage is poor, but usually is only small in extent. Heaths are dominated by low shrubs, 20 centimetres (8 in) to 2 metres (7 feet) tall.
Heath vegetation can be extremely plant-species rich, and heathlands of Australia are home to some 3,700 endemic or typical species in addition to numerous less restricted species. The fynbos heathlands of South Africa are second only to tropical rainforests in plant biodiversity with over 7,000 species. In marked contrast, the tiny pockets of heathland in Europe are extremely depauperate with a flora consisting primarily of heather (Calluna vulgaris), heath (Erica species) and gorse (Ulex species).
The bird fauna of heathlands are usually cosmopolitan species of the region. In the depauperate heathlands of Europe, bird species tend to be more characteristic of the community, and include Montagu's harrier and the tree pipit. In Australia the heathland avian fauna is dominated by nectar-feeding birds such as honey-eaters and lorikeets, although numerous other birds from emus to eagles are also common in Australian heathlands. The birds of the South African fynbos include sunbirds, warblers and siskins. Heathlands are also an excellent habitat for insects including ants, moths, butterflies and wasps; many species are restricted entirely to it. One such example of an organism restricted to heathland is the silver-studded blue butterfly, Plebejus argus.


North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and Tumen rivers, and South Korea to the south at the Korean Demilitarized Zone. The country's western border is formed by the Yellow Sea, while its eastern border is defined by the Sea of Japan. North Korea, like its southern counterpart, claims to be the legitimate government of the entire peninsula and adjacent islands. Pyongyang is the capital and largest city.
In 1910, Korea was annexed by the Empire of Japan. In 1945, after the Japanese surrender at the end of World War II, Korea was divided into two zones along the 38th parallel, with the north occupied by the Soviet Union and the south occupied by the United States. Negotiations on reunification failed, and in 1948, separate governments were formed: the socialist and Soviet-aligned Democratic People's Republic of Korea in the north, and the capitalist, Western-aligned Republic of Korea in the south. The Korean War began in 1950, with an invasion by North Korea, and lasted to 1953. The Korean Armistice Agreement brought about a ceasefire and established a demilitarized zone (DMZ), but no formal peace treaty has ever been signed.
Post-war North Korea benefited greatly from economic aid and expertise provided by other Eastern Bloc countries, particularly the Soviet Union and China. However, relations between North Korea and the Soviet Union soured after the ascension of Nikita Khrushchev to the Soviet premiership in 1953, as Khrushchev denounced Stalinism while Kim Il-sung, North Korea's first leader, upheld it. Kim briefly turned to China in the late 1950s before purging both pro-Soviet and pro-Chinese elements from the ruling Workers' Party of Korea and promoting Juche as the state ideology. From the 1970s, South Korea's economy began to boom whilst North Korea entered a state of stagnation. Pyongyang's international isolation sharply accelerated from the 1980s onwards as the Cold War came to an end and China opened up to the west. The fall of the Soviet Union in 1991 then brought about a full-scale collapse of the North Korean economy, which by 1998 had accumulated with agricultural failures in a deadly famine. Despite initial attempts to engage with the West in the early 1990s, by the 21st century, Kim Il-sung's successors, Kim Jong-il and later his son Kim Jong-un, made the decision to pursue nuclear weapons, creating a series of crises ongoing to the present day.
According to Article 1 of the state constitution, North Korea is an "independent socialist state". It holds elections, though they have been described by independent observers as sham elections, as North Korea is a totalitarian dictatorship, with a comprehensive cult of personality around the Kim dynasty. The Workers' Party of Korea is the ruling party of North Korea and leads the Democratic Front for the Reunification of Korea, the sole legal political movement in the country. According to Article 3 of the constitution, Kimilsungism–Kimjongilism is the official ideology of North Korea. The means of production are owned by the state through state-run enterprises and collectivized farms. Most services—such as healthcare, education, housing, and food production—are subsidized or state-funded. From 1994 to 1998, North Korea suffered a famine that resulted in the deaths of between 240,000 and 420,000 people, and the population continues to suffer from malnutrition.
North Korea follows Songun, or "military first" policy, for its Korean People's Army. It possesses nuclear weapons, and is the country with the second highest number of military and paramilitary personnel, with a total of 7.769 million active, reserve, and paramilitary personnel, or approximately 30% of its population. Its active duty army of 1.28 million soldiers is the fourth-largest in the world, consisting of 4.9% of its population. A 2014 inquiry by the United Nations into abuses of human rights in North Korea concluded that "the gravity, scale and nature of these violations reveal a state that does not have any parallel in the contemporary world," with Amnesty International and Human Rights Watch holding similar views. The North Korean government denies these abuses. In addition to being a member of the United Nations since 1991, North Korea is also a member of the Non-Aligned Movement, G77, and the ASEAN Regional Forum.


North Korea occupies the northern portion of the Korean Peninsula, lying between latitudes 37° and 43°N, and longitudes 124° and 131°E. It covers an area of 120,540 square kilometers (46,541 sq mi). To its west are the Yellow Sea and Korea Bay, and to its east lies Japan across the Sea of Japan.
Early European visitors to Korea remarked that the country resembled "a sea in a heavy gale" because of the many successive mountain ranges that crisscross the peninsula. Some 80 percent of North Korea is composed of mountains and uplands, separated by deep and narrow valleys. All of the Korean Peninsula's mountains with elevations of 2,000 meters (6,600 ft) or more are located in North Korea. The highest point in North Korea is Paektu Mountain, a volcanic mountain with an elevation of 2,744 meters (9,003 ft) above sea level. Considered a sacred place by North Koreans, Mount Paektu holds significance in Korean culture and has been incorporated in the elaborate folklore and personality cult around the Kim dynasty. For example, the song, "We Will Go To Mount Paektu" sings in praise of Kim Jong-un and describes a symbolic trek to the mountain. Other prominent ranges are the Hamgyong Range in the extreme northeast and the Rangrim Mountains, which are located in the north-central part of North Korea. Mount Kumgang in the Taebaek Range, which extends into South Korea, is famous for its scenic beauty.
The coastal plains are wide in the west and discontinuous in the east. A great majority of the population lives in the plains and lowlands. According to a United Nations Environmental Programme report in 2003, forest covers over 70 percent of the country, mostly on steep slopes. North Korea had a 2019 Forest Landscape Integrity Index mean score of 8.02/10, ranking it 28th globally out of 172 countries. The longest river is the Amnok (Yalu) River which flows for 790 kilometers (491 mi). The country contains three terrestrial ecoregions: Central Korean deciduous forests, Changbai Mountains mixed forests, and Manchurian mixed forests.


The international environment changed once George W. Bush became U.S. President in 2001. His administration rejected South Korea's Sunshine Policy and the Agreed Framework. Bush included North Korea in his axis of evil in his 2002 State of the Union address. The U.S. government accordingly treated North Korea as a rogue state, while North Korea redoubled its efforts to acquire nuclear weapons. On 9 October 2006, North Korea announced it had conducted its first nuclear weapons test.
U.S. President Barack Obama adopted a policy of "strategic patience", resisting making deals with North Korea. Tensions with South Korea and the United States increased in 2010 with the sinking of the South Korean warship Cheonan and North Korea's shelling of Yeonpyeong Island.
On 17 December 2011, Kim Jong-il died from a heart attack. His youngest son Kim Jong-un was announced as his successor. In the face of international condemnation, North Korea continued to develop its nuclear arsenal, possibly including a hydrogen bomb and a missile capable of reaching the United States.
Throughout 2017, following Donald Trump's ascension to the US presidency, tensions between the United States and North Korea increased, and there was heightened rhetoric between the two, with Trump threatening "fire and fury" if North Korea ever attacked U.S. territory amid North Korea threats to test missiles that would land near Guam. The tensions substantially decreased in 2018, and a détente developed. A series of summits took place between Kim Jong-un of North Korea, President Moon Jae-in of South Korea, and President Trump.
On 24 March 2022, North Korea conducted a successful ICBM test launch for the first time since the 2017 crisis.


The name Korea is derived from the name Goryeo (also spelled Koryŏ). The name Goryeo itself was first used by the ancient kingdom of Goguryeo (Koguryŏ) which was one of the great powers in East Asia during its time. The 10th-century kingdom of Goryeo succeeded Goguryeo, and thus inherited its name, which was pronounced by visiting Persian merchants as "Korea". The modern spelling of Korea first appeared in the late 17th century in the travel writings of the Dutch East India Company's Hendrick Hamel.
After the division of the country into North and South Korea, the two sides used different terms to refer to Korea: Chosun or Joseon (조선) in North Korea, and Hanguk (한국) in South Korea. In 1948, North Korea adopted Democratic People's Republic of Korea (Korean: 조선민주주의인민공화국, Chosŏn Minjujuŭi Inmin Konghwaguk; listen) as its new legal name. In the wider world, because the government controls the northern part of the Korean Peninsula, it is commonly called North Korea to distinguish it from South Korea, which is officially called the Republic of Korea in English. Both governments consider themselves to be the legitimate government of the whole of Korea. For this reason, the people do not consider themselves as 'North Koreans' but as Koreans in the same divided country as their compatriots in the South, and foreign visitors are discouraged from using the former term.


In 1992, as Kim Il-sung's health began deteriorating, Kim Jong-il slowly began taking over various state tasks. Kim Il-sung died of a heart attack in 1994, with Kim Jong-il declaring a three-year period of national mourning before officially announcing his position as the new leader afterwards.
North Korea promised to halt its development of nuclear weapons under the Agreed Framework, negotiated with U.S. president Bill Clinton and signed in 1994. Building on Nordpolitik, South Korea began to engage with the North as part of its Sunshine Policy. Kim Jong-il instituted a policy called Songun, or "military first".
Flooding in the mid-1990s exacerbated the economic crisis, severely damaging crops and infrastructure and led to widespread famine which the government proved incapable of curtailing, resulting in the deaths of between 240,000 and 420,000 people. In 1996, the government accepted UN food aid.


January 7 – The Siculicidium is carried out as hundreds of the Székely minority in Transylvania are massacred by the Austrian Army at Madéfalva.
January 19 – John Wilkes is expelled from the House of Commons of Great Britain, for seditious libel.
February 15 – The settlement of St. Louis is established.
March 15 – The day after his return to Paris from a nine-year mission, French explorer and scholar Anquetil Du Perron presents a complete copy of the Zoroastrian sacred text, the Zend Avesta, to the Bibliothèque Royale in Paris, along with several other traditional texts. In 1771, he publishes the first European translation of the Zend Avesta.
March 17 – Francisco Javier de la Torre arrives in Manila to become the new Spanish Governor-General of the Philippines.
March 20 – After the British victory in the French and Indian War, the first post-war British expedition to explore the newly acquired territories east of the Mississippi River comes under attack by Tunica warriors.  The 340 British Army men, under the command of Major Arthur Loftus, were at a spot south of Natchez, Mississippi and were forced to flee in their boats back toward the port of New Orleans while under fire from an unknown number of Tunicas firing from both banks.
March 23 – Following lobbying by George Johnstone, the Governor of British West Florida, Britain's Lords of Trade vote to recommend the northern boundary for the new province to run from the confluence of the Yazoo River and the Mississippi (at modern-day Vicksburg, Mississippi) to the Chattahoochee River (at modern-day Phenix City, Alabama), and the Privy Council soon approves, bringing about 38,000 square miles (98,000 km²) under the West Florida's jurisdiction.
March 27 – The prince-electors, a group of nine German princes who select the next leader of the Holy Roman Empire, vote for the last time as the health of the Emperor Francis I declines.  The electors (including Britain's King George III, who also rules as Elector of Hanover) approve Francis's son, Prince Joseph of Austria as King of the Romans.  Upon the death of Francis in 1765, Prince Joseph becomes the Holy Roman Emperor Joseph II.
March 31 – A mutual defense treaty between the Russian Empire and the Kingdom of Prussia is signed in Saint Petersburg between representatives of Russia's Empress Catherine the Great and Prussia's King Frederick the Great.  By agreement, each nation agrees (for an eight-year period) to commit 10,000 soldiers and 2,000 horses to the defense of the other in case of an attack, and secretly agree to maintain security within the Polish–Lithuanian Commonwealth.
April 5 – The Sugar Act is passed in Great Britain.
April 21 – Residents of French Louisiana are informed for the first time that they will come under Spanish rule as the result of a secret agreement of November 13, 1762 whereby France has ceded all of its North American territory west of the Mississippi River. The Spanish, however, do not take possession until August 17, 1769.
April 27 – Eight-year-old child prodigy Wolfgang Amadeus Mozart performs a private concert before King George III and Queen Charlotte in Great Britain, and has an encore on May 19.
May 3 – Baden, one of the member states of the Confederation of Switzerland, declares a policy of remaining neutral in future conflicts, a model that is soon followed by other members of the Confederation and which eventually becomes the basis for Swiss neutrality from 1815 onward.
June 21 – The English-language Quebec Gazette is established in Quebec City, Canada (as of 2014, it is the oldest surviving newspaper in North America).
June 29 – A T11 tornado (equivalent to F5 on the Fujita scale) hits Woldegk, Germany.


1764 (MDCCLXIV) was a leap year starting on Sunday and is the fifth year of the 1760s decade, the 64th year of the 18th century, and the 764th year of the 2nd millennium.


Tobago was settled by indigenous people belonging to the Ortoiroid cultural tradition some time between 3500 and 1000 BCE. In the first century of the Common Era, Saladoid people settled in Tobago. They brought with them pottery-making and agricultural traditions, and are likely to have introduced crops which included cassava, sweet potatoes, Indian yam, tannia and corn. Saladoid cultural traditions were later modified by the introduction of the Barrancoid culture, either by trade or a combination of trade and settlement. After 650 CE, the Saladoid culture was replaced by the Troumassoid tradition in Tobago. Troumassoid traditions were once thought to represent the settlement of the Island Caribs in the Lesser Antilles and Tobago, but this is now associated with the Cayo ceramic tradition. No archaeological sites exclusively associated with the Cayo tradition are known from Tobago.
Tobago's location made it an important point of connection between the Kalinago of the Lesser Antilles and their Kalina allies and trading partners in the Guianas and Venezuela. In the 1630s Tobago was inhabited by the Kalina, while the neighbouring island of Grenada was shared by the Kalina and Kalinago.
Columbus sighted Tobago on 14 August 1498, during his fourth voyage, but he did not land. The Spanish settlers in Hispaniola were authorised to conduct slave raids against the island in a royal order issued in 1511. These raids, which continued until at least the 1620s, decimated the island's population.


In 1814, when the island again came under British control, another phase of successful sugar-production began. But a severe hurricane in 1847, combined with the collapse of plantation underwriters, end of slavery in 1834 and the competition from sugar with other European countries, marked the end of the sugar trade. In 1889 the island became a ward of Trinidad. Without sugar, the islanders had to grow other crops, planting acres of limes, coconuts and cocoa and exporting their produce to Trinidad. In 1963 Hurricane Flora ravaged Tobago, destroying the villages and crops. A restructuring programme followed and attempts were made to diversify the economy. The development of a tourist industry began.
Trinidad and Tobago obtained its independence from the British Empire in August 1962 and became a republic on 31 August 1976.


Due to its close proximity to the hurricane belt, the island was struck by Hurricane Flora on September 30, 1963. The effects were so severe that they changed the face of Tobago's economy. The hurricane laid waste to the banana, coconut, and cacao plantations that largely sustained the economy, and wreaked considerable damage on the largely pristine tropical rainforest that makes up a large proportion of the interior of the island's northern half. Many of the plantations were subsequently abandoned, and the economy changed direction away from cash crop agriculture and toward tourism. In 2004 Hurricane Ivan, while less severe than Flora, also caused significant damage.


Tobago was named Belaforme by Christopher Columbus "because from a distance it seemed beautiful". The Spanish friar Antonio Vázquez de Espinosa wrote that the Kalina (mainland Caribs) called the island Urupina because of its resemblance to a big snail, while the Kalinago (Island Caribs) called it Aloubaéra, supposedly because it resembled the alloüebéra, a giant snake which was supposed to live in a cave on the island of Dominica. The earliest known record of the use of the name Tabaco to refer to the island is a Spanish royal order issued in 1511. That name was inspired by the resemblance of the shape of the island to the fat cigars smoked by the Taíno inhabitants of the Greater Antilles.


In 1628, Dutch settlers established the first European settlement in Tobago, a colony they called Nieuw Walcheren at Great Courland Bay. They also built a fort, Nieuw Vlissingen, near the modern town of Plymouth. The settlement was abandoned in 1630 after indigenous attacks, but was re-established in 1633. The new colony was destroyed by the Spanish in Trinidad after the Dutch supported a Nepoyo-led revolt in Trinidad. Attempts by the English to colonise Tobago in the 1630s and 1640s also failed due to indigenous resistance.
The indigenous population also prevented European colonisation in the 1650s, including an attempt by the Courlanders, who colonised the island intermittently between 1637 and 1690. Over the ensuing years, the Curonians (Duchy of Courland),  Dutch, English, French, Spanish and Swedish had caused Tobago to become a focal point in repeated attempts of colonisation, which led to the island having changed hands 33 times, the most in Caribbean history, before the Treaty of Paris ceded it to the British in 1814. In 1662, the Dutch brothers Adrian and Cornelius Lampsins were granted the title of Barons of Tobago, and ruled until the English captured the island in 1666. Adrian briefly recaptured Tobago in 1673, but was killed in battle when the English, under Sir Tobias Bridge yet again took control of the island.
From about 1672, during the temporary British rule of 1672–1674, Tobago had a period of stability during which plantation culture began. Sugar, cotton and indigo factories sprang up and Africans were imported by the British to work as slaves. The economy flourished. France had abandoned the island to Britain in 1763, and by 1777 Tobago was exporting great quantities of cotton, indigo, rum and sugar.
In 1781, the French retook the island during the Invasion of Tobago.


Located in the East of England, much of Suffolk is low-lying, founded on Pleistocene sand and clays. These rocks are relatively unresistant and the coast is eroding rapidly. Coastal defences have been used to protect several towns, but several cliff-top houses have been lost to coastal erosion and others are under threat. The continuing protection of the coastline and the estuaries, including the Blyth, Alde and Deben, has been, and remains, a matter of considerable discussion.
The coastal strip to the East contains an area of heathland known as "The Sandlings" which runs almost the full length of the coastline. Suffolk is also home to nature reserves, such as the RSPB site at Minsmere, and Trimley Marshes, a wetland under the protection of Suffolk Wildlife Trust. The clay plateau inland, deeply intercut by rivers, is often referred to as 'High Suffolk'.
The west of the county lies on more resistant Cretaceous chalk. This chalk is responsible for a sweeping tract of largely downland landscapes that stretches from Dorset in the south west to Dover in the south east and north through East Anglia to the Yorkshire Wolds. The chalk is less easily eroded so forms the only significant hills in the county. The highest point in the county is Great Wood Hill, with an elevation of 128 metres (420 ft). It is the highest point of the Newmarket Ridge and is near the villages of Rede and Chedburgh.
The county flower is the oxlip.


Villages and towns in Suffolk are renowned for historic pink-washed halls and cottages, which has become known far and wide as "Suffolk Pink". Decorative paint colours found in the county can range from a pale shell shade, to a deep blush brick colour.
According to research, Suffolk Pink dates back to the 14th century, where these shades were developed by local dyers by adding natural substances to a traditional limewash mix. Additives used in this process include pig or ox blood with buttermilk, elderberries and sloe juice.
Locals and historians often state that a true Suffolk Pink should be a "deep dusky terracotta shade", rather than the more popular pastel hue of modern times. This has caused controversy in the past when home and business-owners alike have been reprimanded for using colours deemed incorrect, with some being forced to repaint to an acceptable shade. In 2013, famous chef Marco Pierre White had his 15th century hotel, The Angel, in Lavenham, decorated a shade of pink that was not traditional Suffolk Pink. He was required by local authorities to repaint.
In another example of Suffolk taking its colours seriously, a home-owner in Lavenham was obligated to paint their Grade 1 listed cottage Suffolk Pink, to make it match a neighbouring property. The local council said it wanted all of the cottages on that particular part of the road to be the same colour, because they were a single building historically (300 years earlier).
County landmarks that are painted Suffolk Pink include the cottages in front of St Mary's Church in the village of Cavendish.
The historic Suffolk Pink colour has also inspired the name of a British apple.


Dutch explorer Abel Tasman was the first known European visitor to Fiji, sighting the northern island of Vanua Levu and the North Taveuni archipelago in 1643 while looking for the Great Southern Continent.
James Cook, the British navigator, visited one of the southern Lau islands in 1774. It was not until 1789, however, that the islands were charted and plotted, when William Bligh, the castaway captain of HMS Bounty, passed Ovalau and sailed between the main islands of Viti Levu and Vanua Levu en route to Batavia, in what is now Indonesia. Bligh Water, the strait between the two main islands, is named after him and for a time, the Fiji Islands were known as the Bligh Islands.
The first Europeans to maintain substantial contact with the Fijians were sandalwood merchants, whalers and "beche-de-mer" (sea cucumber) traders. The first whaling vessel known to have visited was the Ann and Hope in 1799, and she was followed by many others in the 19th century. These ships came for drinking water, food and firewood and, later, for men to help man their ships. Some of the Europeans who came to Fiji in this period were accepted by the locals and were allowed to stay as residents. Probably the most famous of these was a Swede by the name of Kalle Svenson, better known as Charlie Savage. Savage was permitted to take wives and establish himself in a high rank in Bau society in exchange for helping defeat local adversaries. In 1813, Savage became a victim of this lifestyle and was killed in a botched raid.
By the 1820s, Levuka was established as the first European-style town in Fiji, on the island of Ovalau. The market for "beche-de-mer" in China was lucrative, and British and American merchants set up processing stations on various islands. Local Fijians were utilised to collect, prepare and pack the product which would then be shipped to Asia. A good cargo would result in a half-yearly profit of around $25,000 for the dealer. The Fijian workers were often given firearms and ammunition as an exchange for their labour, and by the end of the 1820s most of the Fijian chiefs had muskets and many were skilled at using them. Some Fijian chiefs soon felt confident enough with their new weapons to forcibly obtain more destructive weaponry from the Europeans. In 1834, men from Viwa and Bau were able to take control of the French ship L'amiable Josephine and use its cannon against their enemies on the Rewa River, although they later ran it aground.
Christian missionaries like David Cargill also arrived in the 1830s from recently converted regions such as Tonga and Tahiti, and by 1840 the European settlement at Levuka had grown to about 40 houses with former whaler David Whippey being a notable resident. The religious conversion of the Fijians was a gradual process which was observed first-hand by Captain Charles Wilkes of the United States Exploring Expedition. Wilkes wrote that "all the chiefs seemed to look upon Christianity as a change in which they had much to lose and little to gain". Christianised Fijians, in addition to forsaking their spiritual beliefs, were pressured into cutting their hair short, adopting the sulu form of dress from Tonga and fundamentally changing their marriage and funeral traditions. This process of enforced cultural change was called lotu. Intensification of conflict between the cultures increased, and Wilkes was involved in organising a large punitive expedition against the people of Malolo. He ordered an attack with rockets which acted as makeshift incendiary devices. The village, with the occupants trapped inside, quickly became an inferno with Wilkes noting that the "shouts of men were intermingled with the cries and shrieks of the women and children" as they burnt to death. Wilkes demanded the survivors should "sue for mercy" and if not "they must expect to be exterminated". Around 57 to 87 Maloloan people were killed in this encounter.


The blackbirding era began in Fiji in 1865 when the first New Hebridean and Solomon Islands labourers were transported there to work on cotton plantations. The American Civil War had cut off the supply of cotton to the international market when the Union blockaded Confederate ports. Cotton cultivation was potentially an extremely profitable business. Thousands of European planters flocked to Fiji to establish plantations but found the natives unwilling to adapt to their plans. They sought labour from the Melanesian islands. On 5 July 1865 Ben Pease received the first licence to provide 40 labourers from the New Hebrides to Fiji.
The British and Queensland governments tried to regulate this recruiting and transport of labour. Melanesian labourers were to be recruited for a term of three years, paid three pounds per year, issued basic clothing, and given access to the company store for supplies. Most Melanesians were recruited by deceit, usually being enticed aboard ships with gifts, and then locked up. In 1875, the chief medical officer in Fiji, Sir William MacGregor, listed a mortality rate of 540 out of every 1,000 labourers. After the expiry of the three-year contract, the government required captains to transport the labourers back to their villages, but most ship captains dropped them off at the first island they sighted off the Fiji waters. The British sent warships to enforce the law (Pacific Islanders' Protection Act of 1872), but only a small proportion of the culprits were prosecuted.
A notorious incident of the blackbirding trade was the 1871 voyage of the brig Carl, organised by Dr. James Patrick Murray to recruit labourers to work in the plantations of Fiji. Murray had his men reverse their collars and carry black books, to appear as church missionaries. When islanders were enticed to a religious service, Murray and his men would produce guns and force the islanders onto boats. During the voyage Murray shot about 60 islanders. He was never brought to trial for his actions, as he was given immunity in return for giving evidence against his crew members. The captain of the Carl, Joseph Armstrong, was later sentenced to death.
In addition to the blackbirded labour from other Pacific islands, thousands of people indigenous to the Fijian archipelago were sold into slavery on the plantations. As the white settler backed Cakobau government, and later the British colonial government, subjugated areas in Fiji under its power, the resultant prisoners of war were regularly sold at auction to the planters. This provided a source of revenue for the government and also dispersed the rebels to different, often isolated islands where the plantations were located. The land that was occupied by these people before they became slaves was then also sold for additional revenue. An example of this is the Lovoni people of Ovalau, who after being defeated in a war with the Cakobau government in 1871, were rounded up and sold to the settlers at £6 per head. Two thousand Lovoni men, women and children were sold, and their period of slavery lasted five years. Likewise, after the Kai Colo wars in 1873, thousands of people from the hill tribes of Viti Levu were sent to Levuka and sold into slavery. Warnings from the Royal Navy stationed in the area that buying these people was illegal were largely given without enforcement, and the British consul in Fiji, Edward Bernard Marsh, regularly turned a blind eye to this type of labour trade.


The rising price of cotton in the wake of the American Civil War (1861–1865) caused an influx of hundreds of settlers to Fiji in the 1860s from Australia and the United States in order to obtain land and grow cotton. Since there was still a lack of functioning government in Fiji, these planters were often able to get the land in violent or fraudulent ways such as exchanging weapons or alcohol with Fijians who may or may not have been the true owners. Although this made for cheap land acquisition, competing land claims between the planters became problematic with no unified government to resolve the disputes. In 1865, the settlers proposed a confederacy of the seven main native kingdoms in Fiji to establish some sort of government. This was initially successful, and Cakobau was elected as the first president of the confederacy.
With the demand for land high, the white planters started to push into the hilly interior of Viti Levu. This put them into direct confrontation with the Kai Colo, which was a general term to describe the various Fijian clans resident to these inland districts. The Kai Colo were still living a mostly traditional lifestyle, they were not Christianised, and they were not under the rule of Cakobau or the confederacy. In 1867, a travelling missionary named Thomas Baker was killed by Kai Colo in the mountains at the headwaters of the Sigatoka River. The acting British consul, John Bates Thurston, demanded that Cakobau lead a force of Fijians from coastal areas to suppress the Kai Colo. Cakobau eventually led a campaign into the mountains but suffered a humiliating loss with 61 of his fighters being killed. Settlers also came into conflict with the local eastern Kai Colo people called the Wainimala. Thurston called in the Australia Station section of the Royal Navy for assistance. The Navy duly sent Commander Rowley Lambert and HMS Challenger to conduct a punitive mission against the Wainimala. An armed force of 87 men shelled and burnt the village of Deoka, and a skirmish ensued which resulted in the deaths of over 40 Wainimala.


Tubers are enlarged structures used as storage organs for nutrients in some plants. They are used for the plant's perennation (survival of the winter or dry months), to provide energy and nutrients for regrowth during the next growing season, and as a means of asexual reproduction. Stem tubers form thickened rhizomes (underground stems) or stolons (horizontal connections between organisms); well known species with stem tubers include the potato and yam. Some writers also treat modified lateral roots (root tubers) under the definition; these are found in sweet potatoes, cassava, and dahlias.


Potatoes are stem tubers – enlarged stolons thicken to develop into storage organs. The tuber has all the parts of a normal stem, including nodes and internodes. The nodes are the eyes and each has a leaf scar. The nodes or eyes are arranged around the tuber in a spiral fashion beginning on the end opposite the attachment point to the stolon. The terminal bud is produced at the farthest point away from the stolon attachment and tubers, and thus show the same apical dominance as a normal stem. Internally, a tuber is filled with starch stored in enlarged parenchyma-like cells. The inside of a tuber has the typical cell structures of any stem, including a pith, vascular zones, and a cortex.
The tuber is produced in one growing season and used to perennate the plant and as a means of propagation. When fall comes, the above-ground structure of the plant dies, but the tubers survive underground over winter until spring, when they regenerate new shoots that use the stored food in the tuber to grow. As the main shoot develops from the tuber, the base of the shoot close to the tuber produces adventitious roots and lateral buds on the shoot. The shoot also produces stolons that are long etiolated stems. The stolon elongates during long days with the presence of high auxins levels that prevent root growth off of the stolon. Before new tuber formation begins, the stolon must be a certain age. The enzyme lipoxygenase makes a hormone, jasmonic acid, which is involved in the control of potato tuber development.
The stolons are easily recognized when potato plants are grown from seeds. As the plants grow, stolons are produced around the soil surface from the nodes. The tubers form close to the soil surface and sometimes even on top of the ground. When potatoes are cultivated, the tubers are cut into pieces and planted much deeper into the soil. Planting the pieces deeper creates more area for the plants to generate the tubers and their size increases. The pieces sprout shoots that grow to the surface. These shoots are rhizome-like and generate short stolons from the nodes while in the ground.  When the shoots reach the soil surface, they produce roots and shoots that grow into the green plant.


A stem tuber forms from thickened rhizomes or stolons. The top sides of the tuber produce shoots that grow into typical stems and leaves and the undersides produce roots. They tend to form at the sides of the parent plant and are most often located near the soil surface. The underground tuber is normally a short-lived storage and regenerative organ developing from a shoot that branches off a mature plant. The offspring or new tubers are attached to a parent tuber or form at the end of a hypogeogenous (initiated below ground) rhizome. In the autumn the plant dies, except for the new offspring tubers, which have one dominant bud that in spring regrows a new shoot producing stems and leaves; in summer the tubers decay and new tubers begin to grow. Some plants also form smaller tubers and/or tubercules that act like seeds, producing small plants that resemble (in morphology and size) seedlings. Some stem tubers are long-lived, such as those of tuberous begonias, but many plants have tubers that survive only until the plants have fully leafed out, at which point the tuber is reduced to a shriveled-up husk.
Stem tubers generally start off as enlargements of the hypocotyl section of a seedling, but sometimes also include the first node or two of the epicotyl and the upper section of the root. The tuber has a vertical orientation, with one or a few vegetative buds on the top and fibrous roots produced on the bottom from a basal section. Typically the tuber has an oblong rounded shape.
Tuberous begonias, yams, and cyclamens are commonly grown stem tubers. Mignonette vine (Anredera cordifolia) produces aerial stem tubers on 3.5-to-7.5-metre-tall (12 to 25 ft) vines; the tubers fall to the ground and grow. Plectranthus esculentus, of the mint family Lamiaceae, produces tuberous underground organs from the base of the stem, weighing up to 1.8 kg (3 lb 15 oz) per tuber, forming from axillary buds producing short stolons that grow into tubers. Even though legumes are not commonly associated with forming stem tubers, Lathyrus tuberosus is an example native to Asia and Europe, where it was once grown as a crop.


The end of the Dark Ages is traditionally dated to 776 BC, the year of the first Olympic Games. The Iliad and the Odyssey, the foundational texts of Western literature, are believed to have been composed by Homer in the 7th or 8th centuries BC. With the end of the Dark Ages, there emerged various kingdoms and city-states across the Greek peninsula, which spread to the shores of the Black Sea, Southern Italy ("Magna Graecia") and Asia Minor. These states and their colonies reached great levels of prosperity that resulted in an unprecedented cultural boom, that of classical Greece, expressed in architecture, drama, science, mathematics and philosophy. In 508 BC, Cleisthenes instituted the world's first democratic system of government in Athens.
By 500 BC, the Persian Empire controlled the Greek city states in Asia Minor and Macedonia. Attempts by some of the Greek city-states of Asia Minor to overthrow Persian rule failed, and Persia invaded the states of mainland Greece in 492 BC, but was forced to withdraw after a defeat at the Battle of Marathon in 490 BC. In response, the Greek city-states formed the Hellenic League in 481 BC, led by Sparta, which was the first historically recorded union of Greek states since the mythical union of the Trojan War. A second invasion by the Persians followed in 480 BC. Following decisive Greek victories in 480 and 479 BC at Salamis, Plataea, and Mycale, the Persians were forced to withdraw for a second time, marking their eventual withdrawal from all of their European territories. Led by Athens and Sparta, the Greek victories in the Greco-Persian Wars are considered a pivotal moment in world history, as the 50 years of peace that followed are known as the Golden Age of Athens, the seminal period of ancient Greek development that laid many of the foundations of Western civilization.
Lack of political unity within Greece resulted in frequent conflict between Greek states. The most devastating intra-Greek war was the Peloponnesian War (431–404 BC), won by Sparta and marking the demise of the Athenian Empire as the leading power in ancient Greece. Both Athens and Sparta were later overshadowed by Thebes and eventually Macedon, with the latter uniting most of the city-states of the Greek hinterland in the League of Corinth (also known as the Hellenic League or Greek League) under the control of Philip II. Despite this development, the Greek world remained largely fragmented and would not be united under a single power until the Roman years. Sparta did not join the League and actively fought against it, raising an army led by Agis III to secure the city-states of Crete for Persia.
Following the assassination of Phillip II, his son Alexander III ("The Great") assumed the leadership of the League of Corinth and launched an invasion of the Persian Empire with the combined forces of the League in 334 BC. Undefeated in battle, Alexander had conquered the Persian Empire in its entirety by 330 BC. By the time of his death in 323 BC, he had created one of the largest empires in history, stretching from Greece to India. Upon his death, his empire split into several kingdoms, the most famous of which were the Seleucid Empire, Ptolemaic Egypt, the Greco-Bactrian Kingdom, and the Indo-Greek Kingdom. Many Greeks migrated to Alexandria, Antioch, Seleucia, and the many other new Hellenistic cities in Asia and Africa. Although the political unity of Alexander's empire could not be maintained, it resulted in the Hellenistic civilization and spread the Greek language and Greek culture in the territories conquered by Alexander. Greek science, technology, and mathematics are generally considered to have reached their peak during the Hellenistic period.


Greece (Greek: Ελλάδα, romanized: Elláda, [eˈlaða]), officially the Hellenic Republic (Greek: Ελληνική Δημοκρατία, romanized: Elliniki Dimokratia) is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to the northeast. The Aegean Sea lies to the east of the mainland, the Ionian Sea to the west, and the Sea of Crete and the Mediterranean Sea to the south. Greece has the longest coastline on the Mediterranean Basin, featuring thousands of islands. The country consists of nine traditional geographic regions, and has a population of approximately 10.7 million. Athens is the nation's capital and largest city, followed by Thessaloniki and Patras.
Greece is considered the cradle of Western civilization, being the birthplace of democracy, Western philosophy, Western literature, historiography, political science, major scientific and mathematical principles, theatre and the Olympic Games. From the eighth century BC, the Greeks were organised into various independent city-states, known as poleis (singular polis), which spanned the Mediterranean and the Black Sea. Philip II of Macedon united most of present-day Greece in the fourth century BC, with his son Alexander the Great rapidly conquering much of the ancient world, from the eastern Mediterranean to India. The subsequent Hellenistic period saw the height of Greek culture and influence in antiquity. Greece was annexed by Rome in the second century BC, becoming an integral part of the Roman Empire and its continuation, the Byzantine Empire, which was culturally and linguistically predominantly Greek. The Greek Orthodox Church, which emerged in the first century AD, helped shape modern Greek identity and transmitted Greek traditions to the wider Orthodox world. After falling under Ottoman rule in the mid-15th century, Greece emerged as a modern nation state in 1830 following a war of independence. The country's rich historical legacy is reflected in part by its 18 UNESCO World Heritage Sites.
Greece is a unitary parliamentary republic, and a developed country, with an advanced high-income economy, and a high quality of life, ranking 32nd in the Human Development Index. Its economy is among the largest in the Balkans, where it is an important regional investor. A founding member of the United Nations, Greece was the tenth member to join the European Communities (precursor to the European Union) and has been part of the Eurozone since 2001. It is also a member of numerous other international institutions, including the Council of Europe, NATO, the OECD, the WTO, and the OSCE. Greece's unique cultural heritage, large tourism industry, prominent shipping sector and geostrategic importance classify it as a middle power.


The earliest evidence of the presence of human ancestors in the southern Balkans, dated to 270,000 BC, is to be found in the Petralona cave, in the Greek province of Macedonia. The Apidima Cave in Mani, in southern Greece, contains the oldest remains of anatomically modern humans outside of Africa, dated to 210,000 years ago. All three stages of the Stone Age (Paleolithic, Mesolithic, and Neolithic) are represented in Greece, for example in the Franchthi Cave. Neolithic settlements in Greece, dating from the 7th millennium BC, are the oldest in Europe by several centuries, as Greece lies on the route via which farming spread from the Near East to Europe. Following the end of the Greek Neolithic period in 3.200 BC, a slow transition period between the stone economy to the bronze economy during the end of the 4th Millennium BC including Eutresis culture and Korakou culture with the first large buildings (House of the Tiles) until the middle of the 3rd Millennium BC took place in the Greek mainland. Tiryns culture before the Middle Helladic period that developed the socioeconomic base of the following Minoan civilization and Mycenean civilisation.
Greece is home to the first advanced civilizations in Europe and is considered the birthplace of Western civilisation, beginning with the Cycladic civilization on the islands of the Aegean Sea at around 3200 BC, the Minoan civilization in Crete (2700–1500 BC), and then the Mycenaean civilization on the mainland (1600–1100 BC). These civilizations possessed writing, the Minoans using an undeciphered script known as Linear A, and the Mycenaeans writing the earliest attested form of Greek in Linear B. The Mycenaeans gradually absorbed the Minoans, but collapsed violently around 1200 BC, along with other civilizations, during the regional event known as the Late Bronze Age collapse. This ushered in a period known as the Greek Dark Ages, from which written records are absent. Though the unearthed Linear B texts are too fragmentary for the reconstruction of the political landscape and can't support the existence of a larger state, contemporary Hittite and Egyptian records suggest the presence of a single state under a "Great King" based in mainland Greece.


The native name of the country in Modern Greek is Ελλάδα (Elláda, pronounced [eˈlaða]). The corresponding form in Ancient Greek and conservative formal Modern Greek (Katharevousa) is Ἑλλάς (Hellas, classical: [hel.lás], modern: [eˈlas]). This is the source of the English alternate name Hellas, which is mostly found in archaic or poetic contexts today. The Greek adjectival form ελληνικός (ellinikos, [eliniˈkos]) is sometimes also translated as Hellenic and is often rendered in this way in the formal names of Greek institutions, as in the official name of the Greek state, the Hellenic Republic (Ελληνική Δημοκρατία, [eliniˈci ðimokraˈti.a]).
The English names Greece and Greek are derived, via the Latin Graecia and Graecus, from the name of the Graeci (Γραικοί, Graikoí; singular Γραικός, Graikós), who were among the first ancient Greek tribes to settle Magna Graecia in southern Italy. The term is possibly derived from the Proto-Indo-European root *ǵerh₂-, "to grow old".


In the late eighteenth century, an increase in secular learning during the Modern Greek Enlightenment led to the revival among Greeks of the diaspora of the notion of a Greek nation tracing its existence to ancient Greece, distinct from the other Orthodox peoples, and having a right to political autonomy. One of the organizations formed in this intellectual milieu was the Filiki Eteria, a secret organization formed by merchants in Odessa in 1814. Appropriating a long-standing tradition of Orthodox messianic prophecy aspiring to the resurrection of the eastern Roman empire and creating the impression they had the backing of Tsarist Russia, they managed amidst a crisis of Ottoman trade, from 1815 onwards, to engage traditional strata of the Greek Orthodox world in their liberal nationalist cause. The Filiki Eteria planned to launch revolution in the Peloponnese, the Danubian Principalities and Constantinople. The first of these revolts began on 6 March 1821 in the Danubian Principalities under the leadership of Alexandros Ypsilantis, but it was soon put down by the Ottomans. The events in the north spurred the Greeks of the Peloponnese into action and on 17 March 1821 the Maniots declared war on the Ottomans.
By the end of the month, the Peloponnese was in open revolt against the Ottomans and by October 1821 the Greeks under Theodoros Kolokotronis had captured Tripolitsa. The Peloponnesian revolt was quickly followed by revolts in Crete, Macedonia and Central Greece, which would soon be suppressed. Meanwhile, the makeshift Greek navy was achieving success against the Ottoman navy in the Aegean Sea and prevented Ottoman reinforcements from arriving by sea. In 1822 and 1824 the Turks and Egyptians ravaged the islands, including Chios and Psara, committing wholesale massacres of the population. Approximately three-quarters of the Chios' Greek population of 120,000 were killed, enslaved or died of disease. This had the effect of galvanizing public opinion in western Europe in favour of the Greek rebels.
Tensions soon developed among different Greek factions, leading to two consecutive civil wars. Meanwhile, the Ottoman Sultan negotiated with Mehmet Ali of Egypt, who agreed to send his son Ibrahim Pasha to Greece with an army to suppress the revolt in return for territorial gain. Ibrahim landed in the Peloponnese in February 1825 and had immediate success: by the end of 1825, most of the Peloponnese was under Egyptian control, and the city of Missolonghi—put under siege by the Turks since April 1825—fell in April 1826. Although Ibrahim was defeated in Mani, he had succeeded in suppressing most of the revolt in the Peloponnese, and Athens had been retaken.
After years of negotiation, three great powers, France, Russian Empire, and the United Kingdom, decided to intervene in the conflict and each nation sent a navy to Greece. Following news that combined Ottoman–Egyptian fleets were going to attack the Greek island of Hydra, the allied fleet intercepted the Ottoman–Egyptian fleet at Navarino. A week-long standoff ended with the Battle of Navarino (20 October 1827) which resulted in the destruction of the Ottoman–Egyptian fleet. A French expeditionary force was dispatched to supervise the evacuation of the Egyptian army from the Peloponnese, while the Greeks proceeded to the captured part of Central Greece by 1828. As a result of years of negotiation, the nascent Greek state was finally recognised under the London Protocol in 1830.


The history of West Africa can be divided into five major periods: first, its prehistory, in which the first human settlers arrived, developed agriculture, and made contact with peoples to the north; the second, the Iron Age empires that consolidated both intra-Africa, and extra-Africa trade, and developed centralized states; third, major polities flourished, which would undergo an extensive history of contact with non-Africans; fourth, the colonial period, in which Great Britain and France controlled nearly the entire region; and fifth, the post-independence era, in which the current nations were formed.


In the early 19th century, a series of Fulani reformist jihads swept across Western Africa. The most notable include Usman dan Fodio's Fulani Empire, which replaced the Hausa city-states, Seku Amadu's Massina Empire, which defeated the Bambara, and El Hadj Umar Tall's Toucouleur Empire, which briefly conquered much of modern-day Mali.
However, the French and British continued to advance in the Scramble for Africa, subjugating kingdom after kingdom. With the fall of Samory Ture's new-founded Wassoulou Empire in 1898 and the Ashanti queen Yaa Asantewaa in 1902, most West African military resistance to colonial rule resulted in failure.
Part of the West-African regions underwent an increase in the numeracy level throughout the 19th century. The reason for such a growth was predetermined by a number of factors. Namely, the peanut production and trade, which was boosted by the demand of the colonial states. Importantly, the rise of the numeracy was higher in the regions which were less hierarchical and had less dependent from the slavery trade (e.g. Sine and Salum). Whereas areas with the opposite trends illustrated opposite tendencies (e.g. central and northern Senegal). Those patterns were further even more stimulated with the French colonial campaign.
Britain controlled the Gambia, Sierra Leone, Ghana, and Nigeria throughout the colonial era, while France unified Senegal, Guinea, Mali, Burkina Faso, Benin, Ivory Coast, and Niger into French West Africa. Portugal founded the colony of Guinea-Bissau, while Germany claimed Togoland, but was forced to divide it between France and Britain following First World War due to the Treaty of Versailles. Only Liberia retained its independence, at the price of major territorial concessions.


The development of the region's economy allowed more centralized states and civilizations to form, beginning with Dhar Tichitt that began in 1600 B.C. followed by Djenné-Djenno beginning in 300 B.C. This was then succeeded by the Ghana Empire that first flourished between the 9th and 12th centuries, which later gave way to the Mali Empire. In current-day Mauritania, there exist archaeological sites in the towns of Tichit and Oualata that were initially constructed around 2000 B.C., and were found to have originated from the Soninke branch of the Mandé peoples. Also, based on the archaeology of the city of Kumbi Saleh in modern-day Mauritania, the Mali empire came to dominate much of the region until its defeat by Almoravid invaders in 1052.
Three great kingdoms were identified in Bilad al-Sudan by the ninth century.  They included Ghana, Gao and Kanem.
The Sosso Empire sought to fill the void but was defeated (c. 1240) by the Mandinka forces of Sundiata Keita, founder of the new Mali Empire. The Mali Empire continued to flourish for several centuries, most particularly under Sundiata's grandnephew Musa I, before a succession of weak rulers led to its collapse under Mossi, Tuareg and Songhai invaders. In the 15th century, the Songhai would form a new dominant state based on Gao, in the Songhai Empire, under the leadership of Sonni Ali and Askia Mohammed.
Meanwhile, south of the Sudan, strong city-states arose in Igboland, such as the 10th-century Kingdom of Nri, which helped birth the arts and customs of the Igbo people, Bono State in the 11th century, which gave birth to the numerous Akan States, while Ife rose to prominence around the 12th century. Further east, Oyo arose as the dominant Yoruba state and the Aro Confederacy as a dominant Igbo state in modern-day Nigeria.
The Kingdom of Nri was a West African medieval state in present-day southeastern Nigeria and a subgroup of the Igbo people. The Kingdom of Nri was unusual in the history of world government in that its leader exercised no military power over his subjects. The kingdom existed as a sphere of religious and political influence over a third of Igboland and was administered by a priest-king called as an Eze Nri. The Eze Nri managed trade and diplomacy on behalf of the Nri people and possessed divine authority in religious matters.
The Oyo Empire was a Yoruba empire of what is today Western,North central Nigeria and southern Republic of Benin. Established in the 14th century, the Oyo Empire grew to become one of the largest West African states. It rose through the outstanding organizational skills of the Yoruba, wealth gained from trade and its powerful cavalry. The Oyo Empire was the most politically important state in the region from the mid-17th to the late 18th century, holding sway not only over most of the other kingdoms in Yorubaland, but also over nearby African states, notably the Fon Kingdom of Dahomey in the modern Republic of Benin to the west.
The Benin Empire was a post-classical empire located in what is now southern Nigeria. Its capital was Edo, now known as Benin City, Edo. It should not be confused with the modern-day country called Benin, formerly called Dahomey. The Benin Empire was "one of the oldest and most highly developed states in the coastal hinterland of West Africa, dating perhaps to the eleventh century CE",. The Benin Empire was governed by a sovereign Emperor with hundreds of thousands of soldiers and a powerful council rich in resources, wealth, ancient science and technology with cities described as beautiful and large as Haarlem. "Olfert Dapper, a Dutch writer, describing Benin in his book Description of Africa (1668) ". Its craft was the most adored and treasured bronze casting in the history of Africa. It was annexed by the British Empire in 1897 during the invasion and scramble of Africa.


Acheulean tool-using archaic humans may have dwelled throughout West Africa since at least between 780,000 BP and 126,000 BP (Middle Pleistocene). During the Pleistocene, Middle Stone Age peoples (e.g., Iwo Eleru people, possibly Aterians), who dwelled throughout West Africa between MIS 4 and MIS 2, were gradually replaced by incoming Late Stone Age peoples, who migrated into West Africa as an increase in humid conditions resulted in the subsequent expansion of the West African forest. West African hunter-gatherers occupied western Central Africa (e.g., Shum Laka) earlier than 32,000 BP, dwelled throughout coastal West Africa by 12,000 BP, and migrated northward between 12,000 BP and 8000 BP as far as Mali, Burkina Faso, and Mauritania.
During the Holocene, Niger-Congo speakers independently created pottery in Ounjougou, Mali – the earliest pottery in Africa – by at least 9400 BCE, and along with their pottery, as well as wielding bows and arrows, migrated into the Central Sahara, which became their primary region of residence by 10,000 BP. The emergence and expansion of ceramics in the Sahara may be linked with the origin of Round Head and Kel Essuf rock art, which occupy rockshelters in the same regions (e.g., Djado, Acacus, Tadrart). Hunters in the Central Sahara farmed, stored, and cooked untamed central Saharan flora as well as tamed and shepherded Barbary sheep. After the Kel Essuf Period and Round Head Period of the Central Sahara, the Pastoral Period followed. Some of the hunter-gatherers who created the Round Head rock art may have adopted pastoral culture, and others may have not. As a result of increasing aridification of the Green Sahara, Central Saharan hunter-gatherers and cattle herders may have used seasonal waterways as the migratory route taken to the Niger River and Chad Basin of West Africa. Migration of Saharan peoples south of the Sahelian region resulted in seasonal interaction with and gradual absorption of West African hunter-gatherers, who primarily dwelt in the savannas and forests of West Africa. After having persisted as late as 1000 BP, or some period of time after 1500 CE, remaining West African hunter-gatherers, many of whom dwelt in the forest-savanna region, were ultimately acculturated and admixed into the larger groups of West African agriculturalists, akin to the migratory Bantu agriculturalists and their encounters with Central African hunter-gatherers.


West Africa (or Western Africa) is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, and Togo, as well as Saint Helena, Ascension and Tristan da Cunha (United Kingdom Overseas Territory). The population of West Africa is estimated at about 419 million people as of 2021, and at 381,981,000 as of 2017, of which 189,672,000 are female and 192,309,000 male. The region is demographically and economically one of the fastest growing on the African continent.
Early history in West Africa included a number of prominent regional powers, that dominated different parts of both the coast and internal trade networks, such as the Mali and Gao Empires. West Africa sat the intersection of trade routes between Arab-dominated North Africa and specialized goods from further south on the continent, including gold, advanced iron-working, and products like ivory. After European exploration encountered a rich local economies and kingdoms, the European slave trade exploited previous slave systems to provide labor for colonies in the Americas. After the end of the slave trade in the early 19th century, Europeans, especially France and Britain, continued to exploit the region through colonial relationships—exporting a number of extractive goods, including labor intensive agricultural crops like cocoa and coffee,  forestry products like tropical timber, and minerals like gold. Since independence, many of the West African countries, like Ivory Coast, Ghana, Nigeria and Senegal, play important roles in the regional and global economies.
West Africa has a rich ecology, with strong biodiversity and several distinct regions. The climate and ecology are heavily influenced by the dry Sahara to the North and East, which provides dry winds during the Harmattan, and the west and humid climate to the south and of the Atlantic which provides seasonal monsoons. This mix of ecologies, mean that there is both biodiversity-rich tropical forest, and drylands that support a number of rare or endangered fauna, such as pangolin, rhinoceros and elephant. Because of the pressure for economic development, many of these ecologies are threatened by processes like deforestation, biodiversity loss, overfishing, pollution from mining, plastic and other economic processes, and the extreme changes that will result from climate change in West Africa.


Following World War II, nationalist movements arose across West Africa. In 1957, Ghana, under Kwame Nkrumah, became the first West African colony to achieve its independence, followed the next year by France's colonies (Guinea in 1958 under the leadership of President Ahmed Sekou Touré); by 1974, West Africa's nations were entirely autonomous.
Since independence, many West African nations have been submerged under political instability, with notable civil wars in Nigeria, Sierra Leone, Liberia, and Ivory Coast, and a succession of military coups in Ghana and Burkina Faso.
Since the end of colonialism, the region has been the stage for some brutal conflicts, including:
Nigerian Civil War
First Liberian Civil War
Second Liberian Civil War
Guinea-Bissau Civil War
Ivorian Civil War
Sierra Leone Rebel War
Mali War


Guinea is named after the Guinea region which lies along the Gulf of Guinea. It stretches north through the forested tropical regions and ends at the Sahel. The English term Guinea comes directly from the Portuguese word Guiné which emerged in the mid-15th century to refer to the lands inhabited by the Guineus, a generic term for the black African peoples south of the Senegal River, in contrast to the "tawny" Zenaga Berbers above it, whom they called Azenegues or Moors.


Guinea shares a border with Guinea-Bissau to the northwest, Senegal to the north, Mali to the northeast, Ivory Coast to the east, Sierra Leone to the southwest and Liberia to the south. The nation forms a crescent as it curves from its southeast region to the north and west, to its northwest border with Guinea-Bissau and southwestern coast on the Atlantic Ocean. The sources of the Niger River, the Gambia River, and the Senegal River are all found in the Guinea Highlands. At 245,857 km² (94,926 sq mi), Guinea is roughly the size of the United Kingdom. There are 320 km (200 mi) of coastline and a total land border of 3,400 km (2,100 mi). It lies mostly between latitudes 7° and 13°N, and longitudes 7° and 15°W, with a smaller area that is west of 15°.
Guinea is divided into 4 regions: Maritime Guinea, also known as Lower Guinea or the Basse-Coté lowlands, populated mainly by the Susu ethnic group; the cooler, more mountainous Fouta Djallon that run roughly north–south through the middle of the country, populated by Fulas; the Sahelian Haute-Guinea to the northeast, populated by Malinké; and the forested jungle regions in the southeast, with several ethnic groups. Guinea's mountains are the source for the Niger, the Gambia, and Senegal Rivers, and rivers flowing to the sea on the west side of the range in Sierra Leone and Ivory Coast. The highest point in Guinea is Mount Nimba at 1,752 m (5,748 ft). While the Guinean and Ivorian sides of the Nimba Massif are a UNESCO Strict Nature Reserve, the portion of the so-called Guinean Backbone continues into Liberia, where it has been mined for decades; the damage is evident in the Nzérékoré Region at 7°32′17″N 8°29′50″W.
Guinea is home to 5 ecoregions: Guinean montane forests, Western Guinean lowland forests, Guinean forest-savanna mosaic, West Sudanian savanna, and Guinean mangroves. It had a 2019 Forest Landscape Integrity Index mean score of 4.9/10, ranking it 114th globally out of 172 countries.


The independence of Saint-Domingue was proclaimed under the native name 'Haiti' by Jean-Jacques Dessalines on 1 January 1804 in Gonaïves and he was proclaimed "Emperor for Life" as Emperor Jacques I by his troops. Dessalines at first offered protection to the white planters and others. However, once in power, he ordered the massacre of nearly all the remaining white men, women, children; between January and April 1804, 3,000 to 5,000 whites were killed, including those who had been friendly and sympathetic to the black population. Only three categories of white people were selected out as exceptions and spared: Polish soldiers, the majority of whom had deserted from the French army and fought alongside the Haitian rebels; the small group of German colonists invited to the north-west region; and a group of medical doctors and professionals. Reportedly, people with connections to officers in the Haitian army were also spared, as well as the women who agreed to marry non-white men.
Fearful of the potential impact the slave rebellion could have in the slave states, U.S. President Thomas Jefferson refused to recognize the new republic. The Southern politicians who were a powerful voting bloc in the American Congress prevented U.S. recognition for decades until they withdrew in 1861 to form the Confederacy.
The revolution led to a wave of emigration. In 1809, 9,000 refugees from Saint-Domingue, both white planters and people of color, settled en masse in New Orleans, doubling the city's population, having been expelled from their initial refuge in Cuba by Spanish authorities. In addition, the newly arrived slaves added to the city's African population.
The plantation system was reestablished in Haiti, albeit for wages, however many Haitians were marginalized and resented the heavy-handed manner in which this was enforced in the new nation's politics. The rebel movement splintered, and Dessalines was assassinated by rivals on 17 October 1806.


Haiti (also earlier Hayti) comes from the indigenous Taíno language, in which it means "land of high mountains" and named the entire island of Hispaniola. The name was restored by Haitian revolutionary Jean-Jacques Dessalines as the official name of independent Saint-Domingue, as a tribute to the Amerindian predecessors.
In French, the ï in Haïti has a diacritical mark (used to show that the second vowel is pronounced separately, as in the word naïve), while the H is silent. (In English, this rule for the pronunciation is often disregarded, thus the spelling Haiti is used.) There are different anglicizations for its pronunciation such as HIGH-ti, high-EE-ti and haa-EE-ti, which are still in use, but HAY-ti is the most widespread and best-established. In French, Haiti's nickname means the "Pearl of the Antilles" (La Perle des Antilles) because of both its natural beauty and the amount of wealth it accumulated for the Kingdom of France. During the 18th century the colony was the world's leading producer of sugar and coffee.
In Haitian Creole, it is spelled and pronounced with a y but no H: Ayiti.


The Eurasian sparrowhawk is a major predator of smaller woodland birds, though only 10% of its hunting attacks are successful. It hunts by surprise attack, using hedges, tree-belts, copses, orchards and other cover near woodland areas; its choice of habitat is dictated by these requirements. It also makes use of gardens in built-up areas, taking advantage of the prey found there.
It waits, hidden, for birds to come near, then breaks cover and flies out fast and low. A chase may follow, with the hawk even flipping upside-down to grab the victim from below or following it on foot through vegetation. It can "stoop" onto prey from a great height. Ian Newton describes seven modes of hunting used by Eurasian sparrowhawks:
Short-stay-perch-hunting
High soaring and stooping
Contour-hugging in flight
Still-hunting
Low quartering
Hunting by sound
Hunting on foot
The sparrowhawk bears numerous adaptations that allow it to fly at speed low to the ground and hunt in confined spaces; these include its blunted wings, which allow it to fly through narrow gaps in hedges and fences, and its long, square-edged tail, which the bird uses to aid itself in carrying out tight turns, such as those required to negotiate close stands of trees.
Male Eurasian sparrowhawks regularly kill birds weighing up to 40 g (1.4 oz) and sometimes up to 120 g (4.2 oz) or more; females can tackle prey up to 500 g (18 oz) or more. A recent study found that on average, female sparrowhawk prey were two and a half times heavier than that of the male. The weight of food consumed by adult birds daily is estimated to be 40–50 g (1.4–1.8 oz) for males and 50–70 g (1.8–2.5 oz) for females. During one year, a pair of Eurasian sparrowhawks could take 2,200 house sparrows, 600 common blackbirds or 110 wood pigeons. Species that feed in the open, far from cover, or are conspicuous by their behaviour or coloration, are taken more often by Eurasian sparrowhawks. For example, great tits and house sparrows are vulnerable to attack. Eurasian sparrowhawks may account for more than 50% of deaths in certain species, but the extent varies from area to area.
Males tend to take tits, finches, sparrows and buntings; females often take thrushes and starlings. Larger quarry (such as doves and magpies) may not die immediately but succumb during feather plucking and eating. More than 120 bird species have been recorded as prey and individual Eurasian sparrowhawks may specialise in certain prey. The birds taken are usually adults or fledglings, though chicks in the nest and carrion are sometimes eaten. Small mammals, including bats and mice, are sometimes caught but insects are eaten only very rarely.
Small birds are killed on impact or when squeezed by the Eurasian sparrowhawk's foot, especially the two long claws. Victims which struggle are "kneaded" by the hawk, using its talons to squeeze and stab. When dealing with large prey species which peck and flap, the hawk's long legs help in restraining the prey. It stands on top of its prey to pluck and pull it apart. The feathers are plucked and usually the breast muscles are eaten first. The bones are left, but can be broken using the notch in the bill. Like other birds of prey, Eurasian sparrowhawks produce pellets containing indigestible parts of their prey. These range from 25 to 35 mm (0.98 to 1.38 in) long and 10–18 mm (0.39–0.71 in) wide and are round at one end and more narrow and pointed at the other. They are usually composed of small feathers, as the larger ones are plucked and not consumed.
During hunting, this species can fly 2–3 km (1.2–1.9 mi) per day. It rises above tree level mostly to display, soar above territory and to make longer journeys. A study in a forested area of Norway found that the mean size of the home ranges was 9.2 km² (3.6 sq mi) for males, and 12.3 km² (4.7 sq mi) for females, which was larger than studies in Great Britain had found, "probably due to lower land productivity and associated lower densities of prey species in the [Norwegian study area]".
A study looked at the effect on the population of blue tits in an area where a pair of Eurasian sparrowhawks began to breed in 1990. It found that the annual adult survival rate for the tits in that area dropped from 0.485 to 0.376 (the rate in adjacent plots did not change). The size of the breeding population was not changed, but there were fewer non-breeding blue tits in the population. In woodland, Eurasian sparrowhawks account for the deaths of a third of all young great tits; the two alarm calls given by great tits when mobbing a predator, and when fleeing from a nearby hawk, are within the optimum hearing range of both prey and predator; however, the high-pitched alarm call given when a distant flying Eurasian sparrowhawk is seen "can only be heard well by the tit." Research carried out in Sussex, England, found that the impact of Eurasian sparrowhawk predation on grey partridges was highest when the partridge density was lowest, while a 10-year study in Scotland found that Eurasian sparrowhawks did not select the common redshanks they predated according to the waders' size or condition, probably because of the hawks' surprise-attack hunting technique.
Another study found that the risk of predation for a bird targeted by a Eurasian sparrowhawk or northern goshawk increased 25-fold if the prey was infected with the blood parasite Leucocytozoon, and birds with avian malaria were 16 times more likely to be killed.


The Eurasian sparrowhawk (Accipiter nisus), also known as the northern sparrowhawk or simply the sparrowhawk, is a small bird of prey in the family Accipitridae. Adult male Eurasian sparrowhawks have bluish grey upperparts and orange-barred underparts; females and juveniles are brown above with brown barring below. The female is up to 25% larger than the male – one of the greatest size differences between the sexes in any bird species. Though it is a predator which specialises in catching woodland birds, the Eurasian sparrowhawk can be found in any habitat and often hunts garden birds in towns and cities. Males tend to take smaller birds, including tits, finches, and sparrows; females catch primarily thrushes and starlings, but are capable of killing birds weighing 500 g (18 oz) or more.
The Eurasian sparrowhawk is found throughout the temperate and subtropical parts of the Old World; while birds from the northern parts of the range migrate south for winter, their southern counterparts remain resident or make dispersive movements. Eurasian sparrowhawks breed in suitable woodland of any type, with the nest, measuring up to 60 cm (2.0 ft) across, built using twigs in a tree. Four or five pale blue, brown-spotted eggs are laid; the success of the breeding attempt is dependent on the female maintaining a high weight while the male brings her food. The chicks hatch after 33 days and fledge after 24 to 28 days.
The probability of a juvenile surviving its first year is 34%, with 69% of adults surviving from one year to the next. Mortality in young males is greater than that of young females and the typical lifespan is four years. This species is now one of the most common birds of prey in Europe, although the population crashed after the Second World War. Organochlorine insecticides used to treat seeds before sowing built up in the bird population, and the concentrations in Eurasian sparrowhawks were enough to kill some outright and incapacitate others; affected birds laid eggs with fragile shells which broke during incubation. However, its population recovered after the chemicals were banned, and it is now relatively common, classified as being of least concern by BirdLife International.
The Eurasian sparrowhawk's hunting behaviour has brought it into conflict with humans for hundreds of years, particularly racing pigeon owners and people rearing poultry and gamebirds. It has also been blamed for decreases in passerine populations. The increase in population of the Eurasian sparrowhawk coincides with the decline in house sparrows in Britain. Studies of racing pigeon deaths found that Eurasian sparrowhawks were responsible for less than 1%. Falconers have utilised the Eurasian sparrowhawk since at least the 16th century; although the species has a reputation for being difficult to train, it is also praised for its courage. The species features in Teutonic mythology and is mentioned in works by writers including William Shakespeare, Alfred, Lord Tennyson and Ted Hughes.


Sinaloa ([sinaˈloa] (listen)), officially the Estado Libre y Soberano de Sinaloa (English: Free and Sovereign State of Sinaloa), is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. It is divided into 18 municipalities and its capital city is Culiacán Rosales.
It is located in Northwestern Mexico, and is bordered by the states of Sonora to the north, Chihuahua and Durango to the east (separated from them by the Sierra Madre Occidental) and Nayarit to the south. To the west, Sinaloa faces Baja California Sur across the Gulf of California. The state covers an area of 58,328 square kilometers (22,521 sq mi), and includes the Islands of Palmito Verde, Palmito de la Virgen, Altamura, Santa María, Saliaca, Macapule and San Ignacio. In addition to the capital city, the state's important cities include Mazatlán and Los Mochis.


In terms of education, average schooling reaches 8.27 years;  4.2% of those over 15 years of age are illiterate, and 3.18% of children under 14 years of age do not attend school.
Institutions of higher education include Universidad Autónoma de Sinaloa, TecMilenio University, Universidad Politécnica de Sinaloa, Universidad Politécnica del Mar y la Sierra, Universidad Politécnica del Valle del Evora, Universidad Autónoma de Durango, Instituto Tecnológico Superior de Sinaloa, Universidad Autónoma de Occidente and Universidad Casa Blanca.