1158

Events

Europe

* January 11 — Vladislav II becomes king of Bohemia.
* November 29 — Eleanor of Aquitaine arrives in Salisbury, Wiltshire on royal business.
* The Diet of Roncaglia is convoked by Frederick Barbarossa.
* The University of Bologna is granted its first privileges by Emperor Frederick Barbarossa.
* The Diocese of Derry is erected in Ireland.
* British Pound Sterling (currency) is introduced.
* Margrave Ottokar III of Styria inherits the County of Pitten.

Asia

* Emperor Nijō formally succeeds Emperor Go-Shirakawa on the throne of Japan; Go-Shirikawa continues a cloistered rule until his death in 1192.

Births

* September 23 — Geoffrey II, Duke of Brittany (d. 1186)
* Marguerite of France, daughter of Louis VII of France (d. 1197)
* Taira no Shigehira, son of Taira no Kiyomori (d. 1185)

Deaths

* July 27 — Geoffrey VI, Count of Anjou (b. 1134)
* August 30 — King Sancho III of Castile (b. 1134)
* September 22 — Otto of Freising, German bishop and chronicler (b. c. 1114)

Heads of state

* England — Henry II Curt Mantle, King of England (reigned 1154–1189)
* France — Louis VII, King of France (reigned 1137–1180)
* Ireland — Muirchertach III, High King of Ireland (reigned 1156–1166)