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
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning