Feb 08 In the year 1265 death of hulagu Khan, Mongol ruler (b. 1217)
Apr 25 On this day in history death of roger de Quincy, 2nd Earl of Winchester, English crusader
May 16 Saint Simon Stock, English saint (b. 1165) died on this day in history.
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