1277
| Years: 1274 1275 1276 - 1277 - 1278 1279 1280 | |
| Decades: 1240s 1250s 1260s - 1270s - 1280s 1290s 1300s | |
| Centuries: 12th century - 13th century - 14th century | |
Events
- The philosophical doctrine Averroism is banned from Paris by bishop Etienne Tempier
- Burma's Pagan empire begins to disintegrate after being defeated by Kublai Khan at Ngasaungsyan, near the Chinese border. The Khan ordered the invasion after the Burmese refused to pay tribute.
- Nicholas III succeeds John XXI as pope
- Ramkhamhaeng the Great becomes ruler of the Sukhothai kingdom
- St George's cross is first used as the flag of England
Deaths
- May 20 - Pope John XXI
- July 1 - Baibars, Mameluk sultan of Egypt
- Walter de Merton, Lord Chancellor and founder of Merton College
- Thomas Agni of Cosenza, Latin Patriarch of Jerusalem