Events

• July 26, Independence of Portugal from the Kingdom of León and Castile declared after the Battle of Ourique against the Almoravides lead by Ali ibn Yusuf: Prince Afonso Henriques becomes Afonso I, King of Portugal, after assembling the first assembly of the estates-general of Portugal at Lamego, where he was given the Crown from the Bishop of Bragança, to confirm the independence.
• Second Council of the Lateran

Births

• June 16 - Emperor Konoe of Japan (died 1155)

Deaths

• January 25 - Godfrey I of Louvain
• February 18 - Prince Yaropolk II of Kiev (b. 1082)
• October 20 - Henry X, Duke of Bavaria
• Roger of Salisbury, English bishop

1139

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