January 2441 – Claudius is proclaimed Roman emperor by the Praetorian Guard after they assassinate the previous emperor, his nephew Caligula. 914 – Start of the First Fatimid invasion of Egypt. 1438 – The Council of Basel suspends Pope Eugene IV. 1458 – Matthias Corvinus is elected King of Hungary. 1536 – King Henry VIII of England suffers an accident while jousting, leading to a brain injury that historians say may have influenced his later erratic behaviour and possible impotence.
September 13585 BC – Lucius Tarquinius Priscus, king of Rome, celebrates a triumph for his victories over the Sabines, and the surrender of Collatia. 509 BC – The Temple of Jupiter Optimus Maximus on Rome's Capitoline Hill is dedicated on the ides of September. 379 – Yax Nuun Ahiin I is crowned as 15th Ajaw of Tikal 533 – Belisarius of the Byzantine Empire defeats Gelimer and the Vandals at the Battle of Ad Decimum, near Carthage, North Africa. 1229 – Ögedei Khan is proclaimed Khagan of the Mongol Empire in Kodoe Aral, Khentii: Mongolia.
August 22392 – Arbogast has Eugenius elected Western Roman Emperor. 851 – Battle of Jengland: Erispoe defeats Charles the Bald near the Breton town of Jengland. 1138 – Battle of the Standard between Scotland and England. 1485 – The Battle of Bosworth Field occurs; Richard III dies, marking the end of the House of Plantagenet. 1559 – Spanish archbishop Bartolomé Carranza is arrested for heresy. 1614 – Fettmilch Uprising: Jews are expelled from Frankfurt, Holy Roman Empire, following the plundering of the Judengasse.
June 264 – Augustus adopts Tiberius. 221 – Roman emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar. 363 – Roman emperor Julian is killed during the retreat from the Sasanian Empire. 684 – Pope Benedict II is the last pope to require confirmation by the Byzantine emperor before taking office. 699 – En no Ozuno, a Japanese mystic and apothecary who will later be regarded as the founder of a folk religion Shugendō, is banished to Izu Ōshima.
July 9118 – Hadrian, who became emperor a year previously on Trajan's death, makes his entry into Rome. 381 – The end of the First Council of Christian bishops convened in Constantinople by the Roman Emperor Theodosius I. 491 – Odoacer makes a night assault with his Heruli guardsmen, engaging Theoderic the Great in Ad Pinetam. Both sides suffer heavy losses, but in the end Theodoric forces Odoacer back into Ravenna. 551 – A major earthquake strikes Beirut, triggering a devastating tsunami that affected the coastal towns of Byzantine Phoenicia, causing thousands of deaths.
July 17180 – Twelve inhabitants of Scillium (near Kasserine, modern-day Tunisia) in North Africa are executed for being Christians. This is the earliest record of Christianity in that part of the world. 1048 – Damasus II is elected pope, and dies 23 days later. 1203 – The Fourth Crusade assaults Constantinople. The Byzantine emperor Alexios III Angelos flees from his capital into exile. 1402 – Zhu Di, better known by his era name as the Yongle Emperor, assumes the throne over the Ming dynasty of China.
November 25571 BC – Servius Tullius, king of Rome, celebrates the first of his three triumphs for his victory over the Etruscans. 1034 – Máel Coluim mac Cináeda, King of Scots, dies. His grandson, Donnchad, son of Bethóc and Crínán of Dunkeld, inherits the throne. 1120 – The White Ship sinks in the English Channel, drowning William Adelin, son and heir of Henry I of England. 1177 – Baldwin IV of Jerusalem and Raynald of Châtillon defeat Saladin at the Battle of Montgisard.
October 2829 – Theophilos succeeds his father Michael II as Byzantine Emperor. 939 – Battle of Andernach: Otto I, Holy Roman Emperor, crushes a rebellion against his rule, by a coalition of Eberhard of Franconia and other Frankish dukes. 1263 – The Battle of Largs is fought between Norwegians and Scots. 1470 – The Earl of Warwick's rebellion forces King Edward IV of England to flee to the Netherlands, restoring Henry VI to the throne. 1552 – Russo-Kazan Wars: Russian troops enter Kazan.
December 14557 – Constantinople is severely damaged by an earthquake, which cracks the dome of Hagia Sophia. 835 – Sweet Dew Incident: Emperor Wenzong of the Tang dynasty conspires to kill the powerful eunuchs of the Tang court, but the plot is foiled. 1287 – St. Lucia's flood: The Zuiderzee sea wall in the Netherlands collapses, killing over 50,000 people. 1542 – Princess Mary Stuart becomes Queen of Scots at the age of one week on the death of her father, James V of Scotland. 1751 – The Theresian Military Academy is founded in Wiener Neustadt, Austria.
September 22904 – The warlord Zhu Quanzhong kills Emperor Zhaozong, the penultimate emperor of the Tang dynasty, after seizing control of the imperial government. 1236 – The Samogitians defeat the Livonian Brothers of the Sword in the Battle of Saule. 1499 – The Treaty of Basel concludes the Swabian War. 1586 – The Battle of Zutphen is a Spanish victory over the English and Dutch. 1692 – The last hanging of those convicted of witchcraft in the Salem witch trials; others are all eventually released.
