📅 Today in HistoryApril 11

Flavius Anastasius becomes Byzantine emperor, with the name of Anastasius I.

Consecration of Pope Adeodatus II following the death of Pope Vitalian.

Batu Khan defeats Béla IV of Hungary at the Battle of Mohi.

War of the League of Cambrai: Franco-Ferrarese forces led by Gaston de Foix and Alfonso I d'Este win the Battle of Ravenna against the Papal-Spanish forces.

Italian War of 1542-46: A French army defeats Habsburg forces at the Battle of Ceresole, but fails to exploit its victory.

William III and Mary II are crowned as joint sovereigns of Great Britain on the same day that the Scottish Parliament concurs with the English decision of 12 February.

France and Great Britain sign the Treaty of Utrecht, bringing an end to the War of the Spanish Succession (Queen Anne's War). Britain accepts Philip V as King of Spain, while Philip renounces any claim to the French throne.

Premiere of Johann Sebastian Bach's St Matthew Passion BWV 244b at St. Thomas Church in Leipzig, Electorate of Saxony (now Germany).

Battle of the Basque Roads: Admiral Lord Gambier fails to support Captain Lord Cochrane, leading to an incomplete British victory over the French fleet.

The Treaty of Fontainebleau ends the War of the Sixth Coalition against Napoleon Bonaparte, and forces him to abdicate unconditionally for the first time.