The Roman and Eastern churches split for good.
Macbeth is defeated by Malcolm and Siward of Northumbria, at Dunsinane.
Jaroslav of Kiev died.
Poland recaptured Selesia from Bohemia.
Henry I of France invades Normandy and is defeated at Mortemer.
The papal chair is empty this year.
Light from the supernova that created the crab nebula first reaches the Earth.
1053 - 1054 - 1055
11th century