1087

Events

By place

Europe

• Summer - The Taifa of Valencia falls under the domination of Rodrigo Díaz de Vivar. He stabilizes the region around Valencia, which has revolted against the Moorish puppet ruler Al-Qadir.
• Inge the Elder returns to Svealand and kills his brother-in-law Blot-Sweyn after a 3-year reign. Inge again proclaims himself king of Sweden.

  England

• September 9 - King William I dies in Rouen after a fall from his horse. He is succeeded by his third son William II who becomes king of England.
• A fire in London destroys much of the city, including St. Paul's Cathedral. Bishop Maurice starts the rebuilding of a new, much larger cathedral.

  Africa

• Mahdia campaign: The navies of Genoa and Pisa take the capital of the Zirids, and occupy Mahdia for a year. Subsequently, both republics obtain trading privileges.

  Japan

• January 3 - Emperor Shirakawa abdicates in favor of his 7-year-old son Horikawa after a 14-year reign. He exerts his personal power to set the cloistered rule system further in motion.

  By topic

Religion

• May 9 - The relics of Saint Nicholas, patron saint of seafarers, are stolen by Italian sailors from his church in Myra and transported to Bari in southern Italy.
• September 16 - Pope Victor III dies after a 1-year pontificate at Monte Cassino. He is buried in the abbey's chapter house.

Births

• September 13 - John II Komnenos, Byzantine emperor
• Ibn Quzman, Andalusian poet and writer
• Reginald III, count of Burgundy
• Theoderich I of Are, German nobleman

  Deaths

• June 9 - Otto I, prince of Olomouc
• June 27 - Henry I, margrave of the Nordmark
• September 9 - William I, king of England
• September 16 - Victor III, pope of the Catholic Church
• September 25 - Simon I, French nobleman
• November 12 - William I, French nobleman
• December 13 - Maria Dobroniega, duchess of Poland
• December 27 - Bertha of Savoy, Holy Roman Empress
• Abu Bakr ibn Umar, military leader of the Almoravids
• Abū Ishāq Ibrāhīm al-Zarqālī, Arab astrologer
• Arnold of Soissons, French bishop
• Asma bint Shihab, queen and co-regent of Yemen
• Blot-Sweyn, king of Svealand
• Eustace II, count of Boulogne
• Leo Diogenes, Byzantine co-emperor
• Solomon, king of Hungary
• Yaropolk Izyaslavich, prince of Turov and Volhyn