1092

By place

Byzantine Empire

• Summer - Emperor Alexios I bribes one of Kilij Arslan's officials to recover Sinope, and neighbouring coastal regions. He uses the Byzantine fleet to defeat the Seljuk navy off the coast of Cius in Bithynia.

  Europe

• January 14 - Vratislaus II, the first king of Bohemia, dies after a 6½-year reign and is succeeded by his brother Conrad I who becomes duke and not king because Vratislaus has been elevated to the royal dignity 'for life' by Emperor Henry IV. Conrad dies at September 6 after a 8-month reign and is succeeded by his nephew Bretislav II.

  England

• Summer - King William II annexes Cumbria from the Scottish Celtic kingdom of Strathclyde, and builds Carlisle Castle.
• May 11 - Lincoln Cathedral, one of England's finest Gothic buildings, is consecrated.
• High tides cause great flooding in England and Scotland. The Kentish lands of Earl Godwin are inundated, becoming known as the Goodwin Sands.

  Seljuk Empire

• November 19 - Sultan Malik-Shah I dies after a 20-year reign while hunting. The Seljuk Empire falls into chaos, his brother Tutush I and rival successors carve up their own independent sultanates in the Middle East. Malik-Shah is succeeded by his son Mahmud I, but he does not gain control of the empire.

  China

• Su Song, a Chinese statesman and scientist, publishes his Xin Yi Xiang Fa Yao, a treatise outlining the construction and operation of his complex astronomical clocktower, built in Kaifeng. It also includes a celestial atlas of five star maps.

  By topic

Religion

• April 21 - The Diocese of Pisa is elevated to the dignity of an metropolitan archdiocese by Pope Urban II.
• May 21 - Synod of Szabolcs: King Ladislaus I assembles an council of the prelates of Hungary at the fortress of Szabolcs.