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 2619 – A qaghan of the Western Turkic Khaganate is assassinated in a Chinese palace by Eastern Turkic rivals after the approval of Tang emperor Gaozu. 1410 – The Peace of Bicêtre suspends hostilities in the Armagnac–Burgundian Civil War. 1675 – Plymouth Colony governor Josiah Winslow leads a colonial militia against the Narragansett during King Philip's War. 1795 – The French Directory, a five-man revolutionary government, is created. 1868 – Time zone: New Zealand officially adopts a standard time to be observed nationally.
April 12240 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. 467 – Anthemius is elevated to Emperor of the Western Roman Empire. 627 – King Edwin of Northumbria is converted to Christianity by Paulinus, bishop of York. 1012 – Duke Oldřich of Bohemia deposes and blinds his brother Jaromír, who flees to Poland. 1204 – The Crusaders of the Fourth Crusade breach the walls of Constantinople and enter the city, which they completely occupy the following day.
August 27410 – The sacking of Rome by the Visigoths ends after three days. 1172 – Henry the Young King and Margaret of France are crowned junior king and queen of England. 1232 – Shikken Hojo Yasutoki of the Kamakura shogunate promulgates the Goseibai Shikimoku, the first Japanese legal code governing the samurai class. 1557 – The Battle of St. Quentin results in Emmanuel Philibert becoming Duke of Savoy. 1593 – Pierre Barrière failed an attempt to assassinate Henry IV of France.
January 9681 – Twelfth Council of Toledo: King Erwig of the Visigoths initiates a council in which he implements diverse measures against the Jews in Spain. 1127 – Jin–Song Wars: Invading Jurchen soldiers from the Jin dynasty besiege and sack Bianjing (Kaifeng), the capital of the Song dynasty of China, and abduct Emperor Qinzong of Song and others, ending the Northern Song dynasty. 1349 – The Jewish population of Basel, believed by the residents to be the cause of the ongoing Black Death, is rounded up and incinerated.
July 3324 – Battle of Adrianople: Constantine I defeats Licinius, who flees to Byzantium. 987 – Hugh Capet is crowned King of France, the first of the Capetian dynasty that would rule France until the French Revolution in 1792. 1035 – William the Conqueror becomes the Duke of Normandy, reigning until 1087. 1608 – Québec City is founded by Samuel de Champlain. 1754 – French and Indian War: George Washington surrenders Fort Necessity to French forces. 1767 – Pitcairn Island is discovered by Midshipman Robert Pitcairn on an expeditionary voyage commanded by Philip Carteret.
March 141074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. 1590 – Battle of Ivry: Henry of Navarre and the Huguenots defeat the forces of the Catholic League under Charles, Duke of Mayenne, during the French Wars of Religion. 1647 – Thirty Years' War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm. 1663 – According to his own account, Otto von Guericke completes his book Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio, detailing his experiments on vacuum and his discovery of electrostatic repulsion.
October 8314 – Constantine I defeats Roman Emperor Licinius, who loses his European territories. 451 – The first session of the Council of Chalcedon begins. 876 – Frankish forces led by Louis the Younger prevent a West Frankish invasion and defeat emperor Charles II ("the Bald"). 1075 – Dmitar Zvonimir is crowned King of Croatia. 1200 – Isabella of Angoulême is crowned Queen consort of England. 1322 – Mladen II Šubić of Bribir is deposed as the Croatian Ban after the Battle of Bliska.
April 201303 – The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII. 1653 – Oliver Cromwell dissolves England's Rump Parliament. 1657 – English Admiral Robert Blake destroys a Spanish silver fleet, under heavy fire from the shore, at the Battle of Santa Cruz de Tenerife. 1657 – Freedom of religion is granted to the Jews of New Amsterdam (later New York City). 1752 – Start of Konbaung–Hanthawaddy War, a new phase in the Burmese Civil War (1740–57).
April 261336 – Francesco Petrarca (Petrarch) ascends Mont Ventoux. 1478 – The Pazzi family attack on Lorenzo de' Medici in order to displace the ruiling Medici family kills his brother Giuliano during High Mass in Florence Cathedral. 1564 – Playwright William Shakespeare is baptized in Stratford-upon-Avon, Warwickshire, England (date of birth is unknown). 1607 – The Virginia Company colonists make landfall at Cape Henry. 1721 – A massive earthquake devastates the Iranian city of Tabriz.