Feb 08 In the year 1265 death of hulagu Khan, Mongol ruler (b. 1217)
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 in the year 1265.
Dec 03 In the year 1265 death of odofredus, Italian jurist