- Battle of Val-ès-Dunes: William the Conqueror, with assistance from King Henry I of France, secures control of Normandy by defeating the rebel Norman barons at Caen.
- Harald III becomes sole King of Norway.
- Sveinn II is crowned King of Denmark.
- Pope Clement II is succeeded by Pope Benedict IX as the 150th Pope.
- The Bjornaer Gathering of Twelve Years at Crintera, in the Rhine Tribunal.
- Regional Tribunals in the Order of Hermes.