|Centuries:||11th century – 12th century – 13th century|
|Decades:||1150s 1160s 1170s – 1180s – 1190s 1200s 1210s|
|Years:||1177 1178 1179 – 1180 – 1181 1182 1183|
- April 13 – Frederick Barbarossa issues the Gelnhausen Charter
- November 18 – Philip II becomes King of France
- During the third year of the Jisho era of Japan, a devastating whirlwind damages Kyoto.
- Emperor Antoku, reign of 81st emperor of Japan starts (1180-1185)
- 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)
- Estimation: Hangzhou, capital of Southern Song China becomes the largest city of the world, taking the lead from Fes in the Almohad Empire.
- Last major volcanic eruption of Sunset Crater, in Arizona
- September 18 – King Louis VII of France (born 1120)
- September 24 – Manuel I Comnenus, Byzantine Emperor (born 1118)
- October 25 – John of Salisbury, French bishop
- Al-Mustadi, Caliph
- William de Braose, 3rd Lord of Bramber
- Abraham ben David, philosopher (martyred)
- Roman of Kiev
- Yaroslav II of Kiev
- Prince Mochihito, son of Emperor Go-Shirakawa of Japan
- Minamoto no Yorimasa, Japanese warlord (born 1106)
- Clement, Ernest Wilson. (1915). A Short History of Japan, p. 43; compare Imperial Household Agency (Kunaichō), Ceremony of Accession (Sokui-no-Rei); retrieved 2012-10-7.
- Matt T. Rosenberg. "Largest Cities Through History". About.com. Archived from the original on 14 July 2007. Retrieved 12 April 2012.