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 25 in History 138 – Roman emperor Hadrian adopts Antoninus Pius as his son, effectively making him his successor 628 – Khosrow II, the last great Shah of the Sasanian Empire (iran), is overthrown by his son Kavadh II 1336 – Four thousand defenders of Pilenai commit mass suicide rather than be taken…
February 20 in History 1339 – The Milanese army and the St. George’s (San Giorgio) Mercenaries of Lodrisio Visconti clash in the Battle of Parabiago; Visconti is defeated. 1472 – Orkney and Shetland are pawned by Norway to Scotland in lieu of a dowry for Margaret of Denmark. 1547 – Edward VI of England is crowned King of England at Westminster Abbey.…
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,…
January 26 in History 661 – The Rashidun Caliphate is effectively ended with the assassination of Ali, the last caliph. 945 – The co-emperors Stephen and Constantine are overthrown and forced to become monks by Constantine VII, who becomes the sole emperor of the…
January 18 in History 474 – 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…
January 2 in History AD 69 – The Roman legions in Germania Superior refuse to swear loyalty to Galba. They rebel and proclaim Vitellius as emperor. 366 – The Alemanni cross the frozen Rhine in large numbers, invading the Roman Empire. 533 – Mercurius becomes Pope John II, the first pope to adopt a new name upon elevation…
Inventions and Inventors A Air Brake : George Westinghouse, U.S.A. 1911. Air Conditioning : Willis Carrier, U.S.A. 1911. Airplane : engine-powered, Wilbur and Orville Wright, U.S.A., 1903. Airship : Henri Giffard, France, 1852; Ferdin von Zeppelin, Germany, 1900. Antibiotics :…