Decades: 1130s 1140s 1150s 1160s 1170s - 1180s - 1190s 1200s 1210s 1220s 1230s
Years: 1175 1176 1177 1178 1179 - 1180 - 1181 1182 1183 1184 1185
Events April 13 - Frederick Barbarossa issues the Gelnhausen Charter April 28 - Philip II of France marries Isabella of Hainault November 18 - Philip II becomes king of France Afonso I of Portugal is taken prisoner by Ferdinand II of Leon Alexander Neckam becomes a lecturer in Paris, and writes De Natura Rerum, an early mention of chess (approximate date) Artois is annexed by France Frederick Barbarossa removes Henry the Lion from the Duchy of Saxony, and created the Duchies of Westphalia and Styria The Wittelsbach family takes control of Bavaria Menden, Germany, becomes a territory of Cologne Petting, Germany, comes under the control of the St. Zeno monastery Minnesingers first appear in Germany (approximate date) Kilij Arslan II allies with Saladin after the death of Byzantine emperor Manuel I Comnenus Alexius II Comnenus becomes Byzantine emperor William of Tyre returns to the Kingdom of Jerusalem after attending the Third Council of the Lateran Sibylla of Jerusalem marries Guy of Lusignan End of the reign of Emperor Takakura of Japan Emperor Antoku ascends to the throne of Japan Births Emperor Go-Toba of Japan Berenguela of Castile Deaths William de Braose, Third Lord of Bramber Louis VII, King of France John of Salisbury, bishop of Chartres Manuel I Comnenus, Byzantine emperor Heads of states England - Henry II Curt Mantle, King of England (reigned 1154 - 1189). France - Louis VII, King of France (reigned 1137 - 1180). France - Philippe II, Auguste King of France (reigned from 1180 to 1223).
