Mar 5 3rd Lateran Council (11th ecumenical council) opens in Rome Jun 19 The Norwegian Battle of Kalvskinnet outside Nidaros. Earl Erling Skakke is killed, and the battle changes the tide of the civil war Jul 29 Lando Sittino proclaimed (anti-)pope Innocent III Nov 1 Phillip II crowned King of France at age 14 in Reims, with his father Louis VII in ill health 1178 Events in History by Year 1180