1071 in History
February 22 Battle of Cassel-Robert I the Frisian defeats Arnulf III/I
August 5 Emperor Romanos IV Diogenes captured/Islam advances through Europe
August 12 Alp Arslan beat Byzantines, emperor Romanos IV Diogenes
August 12 Battle at Manzikert Armenia, Venetian Byzantine brings islam to Europe
August 19 Battle at Manzikert: Seldjuken sultan Alp Arslan beats Byzantine King