*. 1874– General Postal Union is created as a result of the Treaty of Berne.
*. 1888– The Washington Monument officially opens to the general public.
*. 1900– The Cook Islands become a territory of the United Kingdom.
*. 1907– Las Cruces, New Mexico is incorporated.
*. 1911– An accidental bomb explosion in Hankou, Wuhan, China leads to the ultimate fall of the Qing Empire
*. 1919– Black Sox Scandal: The Cincinnati Redswin the World Series.
*. 1934– Regicideat Marseille: The assassination of King Alexander I of Yugoslavia and Louis Barthou, Foreign Minister of France.
*. 1936– Generators at Boulder Dam (later renamed to Hoover Dam) begin to generate electricity from the Colorado Riverand transmit it 266 miles to Los Angeles.
*. 1940– World War II: Battle of Britain: During a night-time air raid by the German Luftwaffe, St. Paul's Cathedral in the City of London, England is hit by a bomb.
*. 1941– A coup in Panama declares Ricardo Adolfo de la Guardia Arango the new president.
*. 1950– Goyang Geumjeong Cave massacre started.
*. 1962– Uganda becomes an independent Commonwealth realm.
*. 1963– In northeast Italy, over 2,000 people are killed when a large landslide behind the Vajont Dam causes a giant wave of water to overtop it.
*. 1966– Vietnam War: Binh Tai Massacre
*.1966 – Vietnam War: Diên Niên - Phước Bình massacre
*. 1967– A day after being captured, Marxist revolutionary Ernesto "Che" Guevara is executed for attempting to incite a revolution in Bolivia.
*. 1969– In Chicago, the United States National Guardis called in for crowd control as demonstrations continue in connection with the trial of the " Chicago Eight" that began on September 24.
*. 1970– The Khmer Republic is proclaimed in Cambodia.
*. 1980– Pope John Paul II shakes hands with the Dalai Lama during a private audience in Vatican City.
*.1980 – Princess Caroline of Monaco divorces Philippe Junot.
*. 1981– Abolition of capital punishment in France.
*. 1983– Rangoon bombing: Attempted assassination of South Korean President Chun Doo-hwan during an official visit to Rangoon, Burma. Chun survives but the blast kills 17 of his entourage, including four cabinet ministers, and injures 17 others. Four Burmese officials also die in the blast.
*. 1986– The musical The Phantom of the Opera receives its first performance at Her Majesty's Theatre in London.
*. 1989– An official news agency in the Soviet Union reports the landing of a UFO in Voronezh.
*. 1991– Ecuador becomes a member of the Berne Convention.
*. 1992– A 13 kilogram (est.) fragment of the Peekskill meteorite lands in the driveway of the Knapp residence in Peekskill, New York, destroying the family's 1980 Chevrolet Malibu.
*. 1995– An Amtrak Sunset Limitedtrain is derailedby saboteursnear Palo Verde, Arizona.
*. 2001– Second mailing of anthrax letters from Trenton, New Jerseyin the 2001 anthrax attacks.
*. 2012– Members of the Pakistani Taliban make a failed attempt to assassinate Malala Yousafzai on her way home from school.