Feb 08 Hulagu Khan, Mongol ruler (b. 1217) died in the year 1265.
Apr 25 Roger de Quincy, 2nd Earl of Winchester, English crusader died in the year 1265.
May 16 On this day in history death of saint Simon Stock, English saint (b. 1165)
Aug 04 Simon de Montfort, English earl of Leicester, dies in battle on this day in history.
Dec 03 On this day in history death of odofredus, Italian jurist