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 [ change | change source ]

• 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