May 31- History, Events, Births, Deaths, Holidays and Observances On This Day
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…
