On This Day

What Happened in 1071

Historical Events

  • Feb 22 Battle of Cassel; Robert I the Frisian defeats Arnulf III/I
  • Apr 16 Bari falls to Robert Guiscard's Norman forces, 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

Famous People Born in 1071

  • Oct 22 William IX, Duke of Aquitaine and poet (d. 1126)

World Leaders in 1071

Famous People Who Died in 1071

  • Feb 22 Arnulf III, earl of Flanders/Hainault (Arnulf I), dies in battle