August 311056 – After a sudden illness a few days previously, Byzantine Empress Theodora dies childless, thus ending the Macedonian dynasty. 1057 – Abdication of Byzantine Emperor Michael VI Bringas after just one year. 1218 – Al-Kamil becomes sultan of the Ayyubid dynasty. 1314 – King Haakon V of Norway moves the capital from Bergen to Oslo. 1422 – King Henry V of England dies of dysentery while in France. His son, Henry VI becomes King of England at the age of nine months. 1535 – Pope Paul III excommunicates English King Henry VIII from the church.
April 21753 BC – Romulus founds Rome (traditional date). 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after. 900 – The Laguna Copperplate Inscription (the earliest known written document found in what is now the Philippines): the Commander-in-Chief of the Kingdom of Tondo, as represented by the Honourable Jayadewa, Lord Minister of Pailah, pardons from all debt the Honourable Namwaran and his relations.
September 8617 – Battle of Huoyi: Li Yuan defeats a Sui dynasty army, opening the path to his capture of the imperial capital Chang'an and the eventual establishment of the Tang dynasty. 1100 – Election of Antipope Theodoric. 1198 – Philip of Swabia, Prince of Hohenstaufen, is crowned King of Germany (King of the Romans) 1253 – Pope Innocent IV canonises Stanislaus of Szczepanów, killed by King Bolesław II. 1264 – The Statute of Kalisz, guaranteeing Jews safety and personal liberties and giving battei din jurisdiction over Jewish matters, is promulgated by Bolesław the Pious, Duke of Greater Poland.
June 9411 BC – The Athenian coup succeeds, forming a short-lived oligarchy. 53 – The Roman emperor Nero marries Claudia Octavia. 68 – Nero dies by suicide after quoting Vergil's Aeneid, thus ending the Julio-Claudian dynasty and starting the civil war known as the Year of the Four Emperors. 721 – Odo of Aquitaine defeats the Moors in the Battle of Toulouse. 747 – Abbasid Revolution: Abu Muslim Khorasani begins an open revolt against Umayyad rule, which is carried out under the sign of the Black Standard.
January 22613 – Eight-month-old Constantine is crowned as co-emperor (Caesar) by his father Heraclius at Constantinople. 871 – Battle of Basing: The West Saxons led by King Æthelred I are defeated by the Danelaw Vikings at Basing. 1506 – The first contingent of 150 Swiss Guards arrives at the Vatican. 1517 – The Ottoman Empire under Selim I defeats the Mamluk Sultanate and captures present-day Egypt at the Battle of Ridaniya. 1555 – The Ava Kingdom falls to the Taungoo Dynasty in what is now Myanmar.
July 16622 – The Hijrah of Muhammad begins, marking the beginning of the Islamic calendar. 997 – Battle of Spercheios: Bulgarian forces of Tsar Samuel are defeated by a Byzantine army under general Nikephoros Ouranos at the Spercheios River in Greece. 1054 – Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing a Papal bull (of doubtful validity) of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy.
June 2455 – Sack of Rome: Vandals enter Rome, and plunder the city for two weeks. 1098 – First Crusade: The first Siege of Antioch ends as Crusader forces take the city; the second siege began five days later. 1608 – The Colony of Virginia gets a charter, extending borders from "sea to sea". 1615 – The first Récollet missionaries arrive at Quebec City, from Rouen, France. 1676 – Franco-Dutch War: France ensured the supremacy of its naval fleet for the remainder of the war with its victory in the Battle of Palermo.
January 23393 – Roman emperor Theodosius I proclaims his eight-year-old son Honorius co-emperor. 971 – Using crossbows, Song dynasty troops soundly defeat a war elephant corps of the Southern Han at Shao. 1264 – In the conflict between King Henry III of England and his rebellious barons led by Simon de Montfort, King Louis IX of France issues the Mise of Amiens, a one-sided decision in favour of Henry that later leads to the Second Barons' War.
December 22AD 69 – Vespasian is proclaimed Emperor of Rome; his predecessor, Vitellius, attempts to abdicate but is captured and killed at the Gemonian stairs. 401 – Pope Innocent I is elected, the only pope to succeed his father in the office. 856 – Damghan earthquake: An earthquake near the Persian city of Damghan kills an estimated 200,000 people, the sixth deadliest earthquake in recorded history. 880 – Luoyang, eastern capital of the Tang dynasty, is captured by rebel leader Huang Chao during the reign of Emperor Xizong.
August 38 – Roman Empire general Tiberius defeats the Dalmatae on the river Bosna. 435 – Deposed Ecumenical Patriarch of Constantinople Nestorius, considered the originator of Nestorianism, is exiled by Roman Emperor Theodosius II to a monastery in Egypt. 881 – Battle of Saucourt-en-Vimeu: Louis III of France defeats the Vikings, an event celebrated in the poem Ludwigslied. 908 – Battle of Eisenach: An invading Hungarian force defeats an East Frankish army under Duke Burchard of Thuringia.
