Historical Events in 1071
- Feb 22 Battle of Cassel; Robert I the Frisian defeats Arnulf III/I
- Apr 16 Bari falls to Robert Guiscard, ending Byzantine rule in Italy
- Aug 26 Battle of Manzikert: Seljuq Turks led by sultan Alp Arslan beat and capture Byzantine Emperor Romanos IV Diogenes
World Leaders in 1071
Henry IV
Holy Roman Emperor
Henry IVFamous People Who Died in 1071
- Feb 22 Arnulf III, earl of Flanders/Hainault (Arnulf I), dies in battle