1180

Events

• April 13 - Frederick Barbarossa issues the Gelnhausen Charter
• November 18 - Philip II becomes King of France
• Emperor Antoku succeeds Emperor Takakura as emperor of Japan
• Afonso I of Portugal is taken prisoner by Ferdinand II of Leon
• Artois is annexed by France
• Prince Mochihito amasses a large army and instigates the Genpei War between Taira and Minamoto clans
• Frederick Barbarossa removes Henry the Lion from the Duchy of Saxony, and created the Duchies of Westphalia and Styria
• Alexius II Comnenus becomes Byzantine emperor
• The Wittelsbach family takes control of Bavaria
• Kilij Arslan II allies with Saladin after the death of Byzantine emperor Manuel I Comnenus
• Alexander Neckam becomes a lecturer in Paris, and writes De Natura Rerum, an early mention of chess (approximate date)

Births

• August 6 - Emperor Go-Toba of Japan (died 1239)
• Berenguela of Castile, mother of Ferdinand III (died 1246)
• Gilbert de Clare, 5th Earl of Hertford (died 1230)
• Jacques de Vitry, French theologian (approximate date; died 1240)
• Eric X, King of Sweden (died 1216)

Deaths

• September 18 - Louis VII, King of France (born 1120)
• September 24 - Manuel I Comnenus, Byzantine emperor (born 1118)
• Al-Mustadi, Abbasid Caliph
• William de Braose, 3rd Lord of Bramber
• Abraham ben David, Jewish philosopher and martyr
• Roman of Kiev
• Yaroslav II of Kiev
• Prince Mochihito, son of Emperor Go-Shirakawa of Japan
• John of Salisbury, bishop of Chartres
• Minamoto no Yorimasa, warlord of the Minamoto clan of Japan (born 1106)