February 101258 – Mongol invasions: Baghdad falls to the Mongols, bringing the Islamic Golden Age to an end. 1306 – In front of the high altar of Greyfriars Church in Dumfries, Robert the Bruce murders John Comyn, sparking the revolution in the Wars of Scottish Independence. 1355 – The St Scholastica Day riot breaks out in Oxford, England, leaving 63 scholars and perhaps 30 locals dead in two days. 1502 – Vasco da Gama sets sail from Lisbon, Portugal, on his second voyage to India.
January 1738 BC – Octavian divorces his wife Scribonia and marries Livia Drusilla, ending the fragile peace between the Second Triumvirate and Sextus Pompey. 1362 – Saint Marcellus' flood kills at least 25,000 people on the shores of the North Sea. 1377 – Pope Gregory XI reaches Rome, after deciding to move the Papacy back to Rome from Avignon. 1524 – Giovanni da Verrazzano sets sail westward from Madeira to find a sea route to the Pacific Ocean. 1562 – France grants religious toleration to the Huguenots in the Edict of Saint-Germain.
September 4476 – Romulus Augustulus is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire. 626 – Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang dynasty of China. 929 – Battle of Lenzen: Slavic forces (the Redarii and the Obotrites) are defeated by a Saxon army near the fortified stronghold of Lenzen in Brandenburg. 1260 – The Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florentine Guelphs at Montaperti.
December 101317 – The "Nyköping Banquet": King Birger of Sweden treacherously seizes his two brothers Valdemar, Duke of Finland and Eric, Duke of Södermanland, who were subsequently starved to death in the dungeon of Nyköping Castle. 1508 – The League of Cambrai is formed by Pope Julius II, Louis XII of France, Maximilian I, Holy Roman Emperor and Ferdinand II of Aragon as an alliance against Venice. 1520 – Martin Luther burns his copy of the papal bull Exsurge Domine outside Wittenberg's Elster Gate.
May 1305 – Diocletian and Maximian retire from the office of Roman emperor. 880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches. 1169 – Norman mercenaries land at Bannow Bay in Leinster, marking the beginning of the Norman invasion of Ireland. 1328 – Wars of Scottish Independence end: By the Treaty of Edinburgh–Northampton, England recognises Scotland as an independent state. 1486 – Christopher Columbus presents his plans discovering a western route to the Indies to the Spanish Queen Isabella I of Castile.
January 31314 – Pope Sylvester I is consecrated, as successor to the late Pope Miltiades. 1208 – The Battle of Lena takes place between King Sverker II of Sweden and his rival, Prince Eric, whose victory puts him on the throne as King Eric X of Sweden. 1504 – The Treaty of Lyon ends the Italian War, confirming French domination of northern Italy, while Spain receives the Kingdom of Naples. 1578 – Eighty Years' War and Anglo-Spanish War: The Battle of Gembloux is a victory for Spanish forces led by Don John of Austria over a rebel army of Dutch, Flemish, English, Scottish, German, French and Walloons.
January 11532 – Nika riots in Constantinople: A quarrel between supporters of different chariot teams—the Blues and the Greens—in the Hippodrome escalates into violence. 630 – Conquest of Mecca: The prophet Muhammad and his followers conquer the city, and the Quraysh association of clans surrenders. 930 – Sack of Mecca by the Qarmatians. 1055 – Theodora is crowned empress of the Byzantine Empire. 1158 – Vladislaus II, Duke of Bohemia becomes King of Bohemia. 1569 – First recorded lottery in England.
October 2897 – Roman emperor Nerva is forced by the Praetorian Guard to adopt general Marcus Ulpius Trajanus as his heir and successor. 306 – Maxentius is proclaimed Roman emperor. 312 – Constantine I defeats Maxentius, becoming the sole Roman emperor in the West. 969 – The Byzantine Empire recovers Antioch from Arab rule. 1344 – The lower town of Smyrna is captured by Crusaders in response to Aydınid piracy. 1420 – Beijing is officially designated the capital of the Ming dynasty when the Forbidden City is completed.
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 13313 – The decisions of the Edict of Milan, signed by Constantine the Great and co-emperor Valerius Licinius, granting religious freedom throughout the Roman Empire, are published in Nicomedia. 1325 – Ibn Battuta begins his travels, leaving his home in Tangiers to travel to Mecca (gone 24 years). 1381 – In England, the Peasants' Revolt, led by Wat Tyler, comes to a head, as rebels set fire to the Savoy Palace. 1514 – Henry Grace à Dieu, at over 1,000 tons the largest warship in the world at this time, built at the new Woolwich Dockyard in England, is dedicated.