On September 21, history records 42 notable events, 238 famous births and 91 deaths, spanning the years 455 to 1860.
Events on this day include: Emperor Avitus enters Rome with a Gallic army and consolidates his power. (455); Combined English and Irish forces, under the command of Richard de Clare, Earl of Pembroke and Diarmait Mac Murchada, King of Leinster seize Norse-Gaelic Dub... (1170).
Notable people born on September 21 include Pope Vitalian (580), Abu Ishaq Ibrahim (953), Bertha of Savoy (1051).
Notable figures who died on this day include Flavius Aetius (454), Pope Conon (687), Otto-William, Count of Burgundy (1026).
Events on 21 September 42
See all →Combined English and Irish forces, under the command of Richard de Clare, Earl of Pembroke and Diarmait Mac Murchada, King of Leinster seize Norse-Gaelic Dublin, forcing Ascall mac Ragnaill, King of Dublin into exile.
Livonian Crusade: The Estonian leader Lembitu and Livonian leader Kaupo the Accursed are killed in Battle of Matthew's Day.
The Congress of Arras causes Burgundy to switch sides in the Hundred Years' War.
Battle of Prestonpans: A Hanoverian army under the command of Sir John Cope is defeated, in ten minutes, by the Jacobite forces of Prince Charles Edward Stuart
American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
French Revolution: The National Convention declares France a republic and abolishes the absolute monarchy.
John Williams Wilson takes possession of the Strait of Magellan on behalf of the newly independent Chilean government.
Second Opium War: An Anglo-French force defeats Chinese troops at the Battle of Palikao.
Public Holidays Around The World On This Day 6
Birthdays on 21 September 238
See all →
Deaths on 21 September 91
See all →
