1047 Sweyn Estridsson was proclaimed king of Denmark

Sweyn II Estridsson 1019-1074
Denmark
King Magnus the good died 25 October in a riding accident, and at Viborg thing, Sweyn II Estridsson was proclaimed king of Denmark.
Norway
Harald Hardrada inherited the kingdom of Norway and took the dead body of his uncle Magnus back to Nidaros, Trondhjem.
An old story told that Magnus testamented the throne to Sweyn Estridsson.
Normandy
August 10: Battle of Val-ès-Dunes: William the conqueror, Duke of Normandy, with help from King Henry I of France, reestablished control of his Duchy by defeating  a group of rebel Norman barons at Caen.
Spain
Vikings vs Crescono,Bishop of Santiago de Composrela until 1066.