December 24502 – Chinese emperor Xiao Yan names Xiao Tong his heir designate. 640 – Pope John IV is elected, several months after his predecessor's death. 759 – Tang dynasty poet Du Fu departs for Chengdu, where he is hosted by fellow poet Pei Di. 1144 – The capital of the crusader County of Edessa falls to Imad ad-Din Zengi, the atabeg of Mosul and Aleppo. 1294 – Pope Boniface VIII is elected, replacing St. Celestine V, who had resigned. 1500 – A joint Venetian–Spanish fleet captures the Castle of St.
July 2070 – Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots. 792 – Kardam of Bulgaria defeats Byzantine Emperor Constantine VI at the Battle of Marcellae. 911 – Rollo lays siege to Chartres. 1189 – Richard I of England officially invested as Duke of Normandy. 1225 – Treaty of San Germano is signed at San Germano between Holy Roman Emperor Frederick II and Pope Gregory IX.
May 28585 BC – A solar eclipse occurs, as predicted by the Greek philosopher and scientist Thales, while Alyattes is battling Cyaxares in the Battle of the Eclipse, leading to a truce. This is one of the cardinal dates from which other dates can be calculated. 621 – Battle of Hulao: Li Shimin, the son of the Chinese emperor Gaozu, defeats the numerically superior forces of Dou Jiande near the Hulao Pass (Henan). This victory decides the outcome of the civil war that followed the Sui dynasty's collapse in favour of the Tang dynasty.
March 612 BCE – The Roman emperor Augustus is named Pontifex Maximus, incorporating the position into that of the emperor. 632 – The Farewell Sermon (Khutbah, Khutbatul Wada') of the Islamic prophet Muhammad. 845 – The 42 Martyrs of Amorium are killed after refusing to convert to Islam. 961 – Byzantine conquest of Chandax by Nikephoros Phokas, end of the Emirate of Crete. 1204 – The Siege of Château Gaillard ends in a French victory over King John of England, who loses control of Normandy to King Philip II Augustus.
October 24AD 69 – In the Second Battle of Bedriacum, troops loyal to Vespasian defeat those of Emperor Vitellius. 1260 – Chartres Cathedral is dedicated in the presence of King Louis IX of France. 1360 – The Treaty of Brétigny is ratified, marking the end of the first phase of the Hundred Years' War. 1590 – John White, the governor of the second Roanoke Colony, returns to England after an unsuccessful search for the "lost" colonists. 1596 – The second Spanish armada sets sail to strike against England, but is smashed by storms off Cape Finisterre forcing a retreat to port.
January 18474 – Seven-year-old Leo II succeeds his maternal grandfather Leo I as Byzantine emperor. He dies ten months later. 532 – Nika riots in Constantinople fail. 1126 – Emperor Huizong abdicates the Chinese throne in favour of his son Emperor Qinzong. 1486 – King Henry VII of England marries Elizabeth of York, daughter of Edward IV, uniting the House of Lancaster and the House of York. 1562 – Pope Pius IV reopens the Council of Trent for its third and final session. 1586 – The magnitude 7.
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.
December 563 BC – Cicero gives the fourth and final of the Catiline Orations. 633 – Fourth Council of Toledo opens, presided over by Isidore of Seville. 1033 – The Jordan Rift Valley earthquake destroys multiple cities across the Levant, triggers a tsunami and kills many. 1082 – Ramon Berenguer II, Count of Barcelona is assassinated, most likely by his brother, Berenguer Ramon II. 1408 – Seeking to resubjugate Muscovy, Emir Edigu of the Golden Horde reaches Moscow, burning areas around the city but failing to take the city itself.
December 30534 – The second and final edition of the Code of Justinian comes into effect in the Byzantine Empire. 999 – Battle of Glenmama: The combined forces of Munster and Meath under king Brian Boru inflict a crushing defeat on the allied armies of Leinster and Dublin near Lyons Hill in Ireland. 1066 – Granada massacre: A Muslim mob storms the royal palace in Granada, crucifies Jewish vizier Joseph ibn Naghrela and massacres most of the Jewish population of the city. 1419 – Hundred Years' War: Battle of La Rochelle.
October 17690 – Empress Wu Zetian establishes the Zhou Dynasty of China. 1091 – London tornado of 1091: A tornado thought to be of strength T8/F4 strikes the heart of London. 1346 – The English capture King David II of Scotland at Neville's Cross and imprison him for eleven years. 1448 – An Ottoman army defeats a Hungarian army at the Second Battle of Kosovo. 1456 – The University of Greifswald is established as the second oldest university in northern Europe. 1534 – Anti-Catholic posters appear in Paris and other cities supporting Huldrych Zwingli's position on the Mass.