Major Events
- Mar 18 Mongolian armies rout the forces of Boleslaw IV at Chmielnik and sack and burn the city of Kraków to the ground
- Apr 9 Battle of Liegnitz - Mongolian armies inflict one of the largest defeats in Polish history on Polish and Germans force led by Henry of Silesia with 20-25,000 killed or massacred, including Henry
- Apr 11 Battle of Mohi: Mongols led by Batu and Subedei defeat Hungarian King Béla IV in the major battle in during Mongolian invasion of Hungary, with 30,000 Hungarians slain
Born in 1241
- Sep 4 Alexander III, King of Scotland, born in Roxburgh Castle, Roxburghshire (d. 1286)
Who Died in 1241
- Aug 22 Gregory IX [Ugolino di Segni], Italian Pope, dies
- Sep 23 Snorri Sturluson, Icelandic historian, poet (Heimskringla), and politician, assassinated at 62 (b. 1178)
- Nov 10 Celestine IV [Goffredo Castiglioni], Pope (1241, 16 days), dies
- Dec 1 Isabella of England, wife of Frederick II, Holy Roman Emperor (b. 1214)
- Dec 11 Ögedei Khan, 2nd Khagan-Emperor of the Mongol Empire (1229-1241) and son of Genghis Khan who expanded Mongolian empire, dies of suspected poisoning or alcoholism at about 56
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V