May 31 in History 455 – Emperor Petronius Maximus is stoned to death by an angry mob while fleeing Rome. 1223 – Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus’ and Cumans. 1293 – Mongol invasion of Java was a punitive expedition against King Kertanegara of Singhasari, who had refused to pay tribute to…
May 29 in History 363 – The Roman emperor Julian defeats the Sasanian army in the Battle of Ctesiphon, under the walls of the Sasanian capital, but is unable to take the city. 1108 – Battle of Uclés: Almoravid troops under the command of Tamim ibn Yusuf defeat a Castile and León alliance under the…
May 28 in History 585 BC – A solar eclipse occurs, as predicted by the Greek philosopher and scientist Thales, while Alyattes is battling Cyaxares in the Battle of Halys, leading to a truce. This is one of the cardinal dates from which other dates can be calculated. 621 – Battle…
May 24 in History 919 – The nobles of Franconia and Saxony elect Henry the Fowler at the Imperial Diet in Fritzlar as king of the East Frankish Kingdom. 1218 – The Fifth Crusade leaves Acre for Egypt. 1276 – Magnus Ladulås is crowned King of Sweden in Uppsala Cathedral. 1487 – The ten-year-old Lambert Simnel is crowned in Christ Church Cathedral, Dublin, Ireland, with the name of…
May 19 in History 639 – Ashina Jiesheshuai and his tribesmen assaulted Emperor Taizong at Jiucheng Palace. 715 – Pope Gregory II is elected. 1051 – Henry I of France marries the Russian 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…
May 18 in History 332 – Emperor Constantine the Great announces free distributions of food to the citizens in Constantinople. 872 – Louis II of Italy is crowned for the second time as Roman Emperor at Rome, at the age of 47. His first coronation was 28 years earlier, in…
May 9 in History 1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy. 1271 – Ninth Crusade, Edward I of England disembarks at Acre. 1386 – England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest diplomatic alliance in the world which…
May 7 in History 351 – The Jewish revolt against Constantius Gallus breaks out after his arrival at Antioch. 558 – In Constantinople, the dome of the Hagia Sophia collapses, twenty years after its construction. Justinian I immediately orders that the dome be rebuilt.…
This day marks the approximate midpoint of spring in the Northern Hemisphere and of autumn in the Southern Hemisphere (starting the season at the March equinox). May 5 in History 553 – The Second Council of Constantinople begins 1215 – Rebel barons renounce…
April 27 in history 33 BC – Lucius Marcius Philippus, step-brother to the future emperor Augustus, celebrates a triumph for his victories while serving as governor in one of the provinces of Hispania. 395 – Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of the more…