1159

Events 
 In the Roman Catholic Church, Cardinals are given the right of election of the Pope. Prior to this, the pope was selected by election by the clergy and congregation of the church. 
 Heiji Rebellion in Japan
 Tunis is conquered by the Almohad caliphs.
 Marie of Boulogne becomes the Countess of Boulogne

 Deaths 
 September 1: Pope Adrian IV dies.