1943Below, the events of World War II have the "WWII" prefix. January 1943 January 1 – WWII: The Soviet Union announces that 22 German divisions have been encircled at Stalingrad, with 175,000 killed and 137,650 captured. January 4 – WWII: Greek-Polish athlete and saboteur Jerzy Iwanow-Szajnowicz is executed by the Germans at Kaisariani. January 10 – WWII: Guadalcanal Campaign: American forces of the 2nd Marine Division and the 25th Infantry Division begin their assaults on the Galloping Horse and Sea Horse on Guadalcanal.
January 1049 BC – Julius Caesar crosses the Rubicon, signalling the start of civil war. 9 – The Western Han dynasty ends when Wang Mang claims that the divine Mandate of Heaven called for the end of the dynasty and the beginning of his own, the Xin dynasty. 69 – Lucius Calpurnius Piso Licinianus is appointed by Galba as deputy Roman Emperor. 236 – Pope Fabian succeeds Anterus to become the twentieth pope of Rome. 1072 – Robert Guiscard conquers Palermo in Sicily for the Normans.
September 2961 BC – Pompey the Great celebrates his third triumph for victories over the pirates and the end of the Mithridatic Wars on his 45th birthday. 1011 – Danes capture Canterbury after a siege, taking Ælfheah, archbishop of Canterbury, as a prisoner. 1227 – Frederick II, Holy Roman Emperor, is excommunicated by Pope Gregory IX for his failure to participate in the Crusades during the Investiture Controversy. 1267 – The Treaty of Montgomery recognises Llywelyn ap Gruffudd as Prince of Wales, but only as a vassal of King Henry III.
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.
July 23811 – Byzantine emperor Nikephoros I plunders the Bulgarian capital of Pliska and captures Khan Krum's treasury. 1319 – A Knights Hospitaller fleet scores a crushing victory over an Aydinid fleet off Chios. 1632 – Three hundred colonists bound for New France depart from Dieppe, France. 1677 – Scanian War: Denmark–Norway captures the harbor town of Marstrand from Sweden. 1793 – Kingdom of Prussia re-conquers Mainz from France. 1813 – Sir Thomas Maitland is appointed as the first Governor of Malta, transforming the island from a British protectorate to a de facto colony.
April 29801 – An earthquake in the Central Apennines hits Rome and Spoleto, damaging the basilica of San Paolo Fuori le Mura. 1091 – Battle of Levounion: The Pechenegs are defeated by Byzantine Emperor Alexios I Komnenos. 1386 – Battle of the Vikhra River: The Principality of Smolensk is defeated by the Grand Duchy of Lithuania and becomes its vassal. 1429 – Joan of Arc arrives to relieve the Siege of Orléans. 1483 – Gran Canaria, the main island of the Canary Islands, is conquered by the Kingdom of Castile.
May 19639 – Ashina Jiesheshuai and his tribesmen assaulted Emperor Taizong at Jiucheng Palace. 715 – Pope Gregory II is elected. 1051 – Henry I of France marries the Rus' princess, Anne of Kiev. 1445 – John II of Castile defeats the Infantes of Aragon at the First Battle of Olmedo. 1499 – Catherine of Aragon is married by proxy to Arthur, Prince of Wales. Catherine is 13 and Arthur is 12. 1535 – French explorer Jacques Cartier sets sail on his second voyage to North America with three ships, 110 men, and Chief Donnacona's two sons (whom Cartier had kidnapped during his first voyage).
January 20250 – Pope Fabian is martyred during the Decian persecution. 649 – King Chindasuinth, at the urging of bishop Braulio of Zaragoza, crowns his son Recceswinth as co-ruler of the Visigothic Kingdom. 1156 – Finnish peasant Lalli kills English clergyman Henry, the Bishop of Turku, on the ice of Lake Köyliö. 1265 – The first English parliament to include not only Lords but also representatives of the major towns holds its first meeting in the Palace of Westminster, now commonly known as the "Houses of Parliament".
January 12475 – Byzantine Emperor Zeno is forced to flee his capital at Constantinople, and his general, Basiliscus gains control of the empire. 1528 – Gustav I of Sweden is crowned King of Sweden, having already reigned since his election in June 1523. 1554 – Bayinnaung, who would go on to assemble the largest empire in the history of Southeast Asia, is crowned King of Burma. 1616 – The city of Belém, Brazil is founded on the Amazon River delta, by Portuguese captain Francisco Caldeira Castelo Branco.
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.
