- Jan 10 Otto II, the Lame, earl of Gelre, dies
- Jan 28 Isabella of Aragon, wife of Philip III and Queen consort of France (1270-1), dies of complications from childbirth at 22 or 23
- Mar 13 Henry of Almain, English crusader (b. 1235)
- Apr 25 Master Gerhard, first master mason of Cologne Cathedral, falls to his death from scaffolding during the building of the cathedral (b. c. 1210)
- Aug 21 Alphonse of Toulouse, son of Louis VIII of France, dies at 50
- Oct 15 Hostiensis [Henricus the Segusia], cardinal and bishop of Ostia, dies
- Oct 27 Hugh IV, Duke of Burgundy, French crusader, dies at 59
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning