February 29, also known as leap day or leap year day, is a date added to most years that are divisible by 4, such as 2016, 2020, and 2024. A leap day is added in various solar calendars (calendars based on the Earth’s revolution around the Sun), including the Gregorian calendar standard in…
February 26 in History 747 BC – Epoch (origin) of Ptolemy’s Nabonassar Era. 364 – Valentinian I is proclaimed Roman emperor 1233 – Mongol–Jin War: The Mongols capture Kaifeng, the capital of the Jin dynasty, after besieging it for months. 1266 – Battle of Benevento: An army led by Charles, Count of Anjou, defeats a combined German and Sicilian force…
February 23 in History 303 – Roman emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution. 532 – Byzantine emperor Justinian I orders the building of a new Orthodox Christian basilica in Constantinople – the Hagia Sophia. 1455 – Traditional date for the publication of the Gutenberg Bible, the first Western book printed…
February 21 in History 1245 – Thomas, the first known Bishop of Finland, is granted resignation after confessing to torture and forgery. 1440 – The Prussian Confederation is formed. 1613 – Mikhail I is unanimously elected Tsar by a national assembly, beginning the Romanov dynasty of Imperial Russia. 1797 – A force of 1,400 French soldiers invaded Britain at Fishguard in…
February 18 in History 1229 – The Sixth Crusade: Frederick II, Holy Roman Emperor, signs a ten-year truce with al-Kamil, regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements nor support from the papacy. 1268 – The Battle of Wesenberg is fought between the Livonian Order and Dovmont of Pskov. 1332 – Amda Seyon I, Emperor of Ethiopia begins his campaigns in the…
February 14 in History 748 – Abbasid Revolution: The Hashimi rebels under Abu Muslim Khorasani take Merv, capital of the Umayyad province Khorasan, marking the consolidation of the Abbasid revolt. 842 – Charles the Bald and Louis the German swear the Oaths of Strasbourg in the French and German languages. 1014 – Pope Benedict VIII crowns Henry of Bavaria, King of Germany and of Italy,…
February 9 in History 474 – Zeno is crowned as co-emperor of the Byzantine Empire. 1003 – Boleslaus III is restored to authority with armed support from Bolesław I the Brave of Poland. 1555 – Bishop of Gloucester John Hooper is burned at the stake. 1621 – Gregory XV becomes Pope, the last Pope elected by acclamation. 1654 – The Capture of Fort Rocher takes…
February 8 in History 421 – Constantius III becomes co-Emperor of the Western Roman Empire. 1238 – The Mongols burn the Russian city of Vladimir. 1250 – Seventh Crusade: Crusaders engage Ayyubid forces in the Battle of Al Mansurah. 1347 – The Byzantine civil war of 1341–47 ends with a power-sharing agreement between John VI Kantakouzenos and John V…
February 7 in History 457 – Leo I the Thracian becomes emperor of the Byzantine Empire. 987 – Bardas Phokas the Younger and Bardas Skleros, Byzantine generals of the military elite, begin a wide-scale rebellion against Emperor Basil II. 1301 – Edward of Caernarvon (later king Edward II of England) becomes the first English Prince of…
February 2 in History 506 – Alaric II, eighth king of the Visigoths promulgates the Breviary of Alaric (Breviarium Alaricianum or Lex Romana Visigothorum), a collection of “Roman law”. 880 – Battle of Lüneburg Heath: King Louis III is defeated by the Norse Great Heathen Army at Lüneburg Heath in Saxony. 962 – Translatio imperii: Pope John XII crowns Otto I, Holy…