updated: 2 January 2012.
Having explored the ups and downs of the Roman Empire over 18 centuries, one is understandably tempted to order this information by coarse graining this history. That is to say, by dividing the 18 centuries into different ages each of which can be understood fairly much in itself. Unfortunately, the more one explores this the more one finds that there are numerous mutually incompatible ways of defining these ages, depending upon what feature one considers. Below I will give a few examples. Nevertheless, I also have a suggested synthesis.
|338 BC||284||Rome as the capital of the Empire|
|284||536||Rome as seat of the Senate, but no longer the administrative capital.|
|536||800||Rome as provincial city, not even nominally within the Empire after 772|
|800||1278||Rome usually part of the Holy Roman Empire, with the Papal coronation of Emperors|
|1278||1417||Rome independent, Pope in Avignon for most of the time.|
|338 BC||30 BC||Republic and Provinces.|
|30 BC||284||Principate: Senatorial and Imperial Provinces|
|800||1071||Themes etc. in the East, Kingdoms etc. in the West|
|1071||1282||Ad hoc in the East, Kingdoms etc. in the West|
|1282||1453||Ad hoc in the East|
|281 BC||64 BC||Hellenistic kingdoms|
|64 BC||226||Parthian Empire|
|226||636||Persian (Sassanid) Empire|
|636||1060||Arab Caliphates or Emirates|
|338 BC||30 BC||None.|
|30 BC||284||One, almost always.|
|284||476||Varying, usually two|
|476||800||One, almost always.|
|1282||1453||One, almost always.|
|324||636||Christian, many variants|
|636||1054||Fairly unified Christian|
|1054||1282||Orthodox and Catholic|
|338 BC||269||3rd century crisis|
|269||480||Loss of West|
|755||925||Loss of West|
|925||1100||Loss of Anatolia|
|1100||1204/82||Loss of East/West|
|1204/82||1453||End of Empire|
It is impossible to find a single scheme that incorporates all, or even most, of the above identified schemes. Nevertheless, by considering the approximate dates that appear commonly, and by trying to find a fairly even division into periods, one can come up with a reasonable synthesis. My suggestion is given below.
|338 BC||30 BC||308 yrs||Hellenistic Period|
|30 BC||270||299 yrs||Principate|
|800||1060||260 yrs||Early Mediaeval Period|
|1060||1280||220 yrs||High Mediaeval Period|
|1280||1453||173 yrs||Late Mediaeval Period|
The Hellenistic period began in 338 BC. In this year the Roman Empire began. More importantly as justification for the name of the period, it was when Philip of Macedon imposed his rule upon all of Greece except Sparta. His son Alexander (336-323) went on to conquer the Persian Empire, spreading Greek-derived (i.e. Hellenistic) culture throughout the Near East. After Alexander's death at age 33, his Empire was divided amongst his generals. The last of these successor kingdoms, the Ptolemaic kingdom of Egypt, was annexed to the Roman Empire in 30 BC by Octavian. Having absorbed much of Alexander's Empire, Rome now faced in the east the Parthian Empire which had conquered the rest.
The Principate can be dated from 30 BC, when Octavian (30 BC - 14 AD) became sole ruler of the Roman Empire. The name comes from the title Princeps (first man) which Octavian adopted in 27 BC. His successors continued to use it, and maintain the fiction of the Res publica (rule by the people), until 274. The Empire was divided into provinces, some ruled directly by the Emperor and some nominally by the Senate.
The mid 3rd century crisis was precipitated in part by attacks from the Sassanid Empire, which had replaced the Parthian Empire in 226. The crisis was resolved by the Emperor Aurelian (270-275). Seeing a need to strengthen the institution of the Emperor, he founded the Dominate. The name comes from the title Dominus et Deus (Lord and God) which Aurelian adopted in 274. He was also the first Emperor to promote monotheism (his God was Sol Invictus, the Unconquered Sun, whose rebirth was celebrated on the 25th of December), and he also ordered the fortification of cities within the Empire, allowing for a policy of defence in depth. This beginning was soon followed by many important developments, under two great Emperors, Diocletian (284-305) and Constantine (306-337; sole Emperor from 324). The former divided the Empire into two halves in 285, and divided each into two Prefectures, containing several Dioceses which in turn contained several Provinces. He also created permanent large mobile armies, reducing the role of most legions to border guards. Constantine also promoted monotheism, combining symbols of Sol Invictus with those of Christ, with the latter eventually winning out. In 330 he founded a New (Christian) Rome at Byzantium. Many of the institutions established in the first two generations of the Dominate continued even after the "fall" of the Western Empire in 476, such as the existence of a Senate in Rome and in New Rome, and the appointment of one Consul by each (a last vestige of the republican tradition), and the Province-Diocese-Prefecture hierarchy.
The Dominate can be argued to have ended in 536, when Justinian reconquered Rome, but then reorganised Italy as a Prefecture ruled by an appointee from Constantinople (Justinian had abolished the Dioceses of Diocletian in 535). The Senate in the West became little more than a city council for Rome, in which form it lingered on until the early 7th century. The office of Consul had been vacant since 534 in the West, and after 541 Justinian abolished it in both East and West. For want of a better name, I have called the subsequent period, when Constantinople was the sole capital of Empire, the Basilate. This name I chose because from this time on Greek started to replace Latin as the language of the Empire, with Heraclius (610-641) adopting the Greek title Basileus in place of the Latin Imperator. Two other great changes that characterized the Basilate were: (i) the replacement of the Parthians by the Arabs as the enemy to the east around 636 and the consequent loss of all lands south of Anatolia (with the many Christian heretics that inhabited them); and (ii) the complete abandonment of Diocletian's administrative structure --- the Emperor Maurice (582-602) abolished Prefectures in the east and turned what remained of them into Exarchs in the west, and Emperor Constans replaced Provinces by Themes around 658. This last reform probably accompanied the partial substitution of land for salaries for most of the Empire's armies.
In 800 a new Emperor in Rome (Charlemagne) was anointed, starting a tradition that would continue through most of the next half-millennium. This is is a convenient marker for the beginning of the Middle Ages. The Early Middle Ages ended around 1060, when a number of changes took place. In 1054 the Eastern (Orthodox) and Western (Catholic) churches excommunicated each other. The Norman conquest in 1066 saw the end of the Viking Age in Western Europe. In 1060 the Arab emirates on the eastern border of the Byzantine Empire were replaced by the powerful Seljuk Sultanate. This was a prelude to the devastating defeat of the Empire's armies at Manzikert in 1071.
Following Manzikert, the Empire disintegrated in Asia Minor. Although parts were recovered in the 12th century, the organization of the Empire was ad hoc, and mercenaries had largely replaced the citizen armies which had been the backbone of the military since the beginning of the Empire. In this period, the High Middle Ages, Constantinople fell to western Crusaders in 1204, but was restored in 1261. A number of important developments occurred shortly after this, marking the end of this period. The Western Roman Empire ended in 1278 (when the Pope declared Rome independent of the Empire) or 1282 (when the Emperor recognized this). In 1284 the Venetians minted their own gold coin, the ducat, taking the gold standard for Christendom out of the hands of the Empire for the first time. Also from 1280 the Seljuk Sultanate lost control of north-western Anatolia, to Osman, founder of the Ottoman Sultanate, which was to be the Empire's new adversary in the east.
The final period of Empire, from about 1280, was the Late Middle Ages. This ended when the Empire finally fell to the Ottoman Sultanate in 1453. This was one of the first decisive uses of cannons in battle. Within two generations, Western Europeans were using gunpowder weapons to colonize America and India. The Middle Ages were well and truly over.
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