1171

Events

 * abolishes the caliphate, restoring  rule in.
 * orders all the Venetians in the to be arrested and their property confiscated.
 * agrees to negotiate with.
 * Construction of the Cathedral of in  is completed.
 * n ruler begins sole reign.
 * conquers and.
 * , with the aid of the ousted King of the Irish province of, , sponsors the invasion of , sparking eight centuries of conflict and war between Ireland and.

Births

 * — King (d. )
 * , daughter of (d. after )

Deaths

 * —, (b. )
 * — (b. )
 * — (b. )
 * , bishop of Winchester (b. )