1047

By place

Byzantine Empire

• September 25-28 - Rebel general Leo Tornikios proclaims himself emperor at Adrianople, and besieges Constantinople. Byzantine troops personally led by Constantine repel him, and re-occupy the walls. Tornikios is forced to withdraw, while his followers start to abandon him. Finally, he is captured at a church in Boulgarophygon, and is publicly blinded.
• Winter - Constantine IX allows the Pecheneg tribes to cross the Danube River, and to settle permanently in Byzantine territory. He buys their alliance with presents, using them to attack his enemies in the rear, and so to prevent any southward advance of the Kievan Rus'.

  Europe

• Spring - Emperor Henry III travels to southern Italy, and deprives Guaimar IV of his title Duke of Apulia and Calabria. He receives homage from Drogo of Hauteville, who becomes "Duke and Master of all Italy".
• August 10 - Battle of Val-ès-Dunes: Norman duke William I secures with assistance from King Henry I control over Normandy by defeating rebel Norman barons at Caen. Later in October, William promulgates the "Truce of God" throughout his duchy.
• October 25 - Harald III becomes sole king of Norway, on the death of his nephew and co-regent Magnus I. The crown of Denmark passes to Sweyn II.

  By topic

Religion

• October 9 - Pope Clement II dies suddenly after a 9-month pontificate. He is succeeded by Benedict IX as the 150th pope of the Catholic Church.
• November - The usurping Benedict IX seizes with support of Boniface III, margrave of Tuscany, the Lateran Palace in Rome.