Major Events
- Jun 15 Battle at Leitha river between Hungarian forces of King Béla IV of Hungary and Austrian army of Duke Frederick II - Austrian victory but Frederick is killed
- Jun 15 With the death of Duke Frederick II at Battle of Leitha, the Babenberg dynasty ends in Austria
- Aug 15 Güyük (Kuyuk), son and successor of Ogodei, formally elected Great Khan of the Mongols at Sira Ordu, five years after the death of his father
Who Died in 1246
- Feb 25 Dafydd ap Llywelyn, King of Gwynedd, 1st to take name Prince of Wales, dies at about 33
- May 31 Isabella of Angouleme, queen consort of King John of England (1200-16) and Countess of La Marche, dies at about 58
- Jun 15 Frederik II "the Warlike", duke of Austria and Styria (1230-46), dies at the Battle of Leitha at 35
- Jun 16 Lutgardis [Ludgardis], Flemish mystic and saint, dies at about 64
- Sep 20 Michael of Chernigov, Ruler and grand prince of Kiev (1234-43), trampled, slaughtered and martyred at around 61 on orders of the Khan of the Golden Horde, Batu Khan, for refusing to bow to the fires and idols of the Mongols
More 1246 Deaths
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V