- May 24 Abbott Dauferio/Desiderius becomes Pope Victor III
Norman Invasion of England
Aug 1 Results of the Domesday inquiry presented to William the Conqueror in Salisbury (the date of compilation and the Great Domesday are historically contestable)
- Oct 23 Battle of az-Zallaqah: Almoravid army of Yusuf ibn Tashfin defeats the forces of Castilian King Alfonso VI