1180s

The 1180s was a decade that began on 1 January 1180 and ended on 31 December 1189. It is distinct from the decade known as the 119th decade which began on January 1, 1181 and ended on December 31, 1190.
 Events and trends 
 September 1, 1181 - Pope Lucius III becomes 171st pope
 June 25, 1183 - Frederick I and the Lombard League sign the Peace of Constance
 1183 - Saladin takes over Syria and becomes sultan
 November 25, 1185 - Pope Urban III becomes 172nd pope
 October 21, 1187 - Pope Gregory VIII becomes 173rd pope

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