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