1277

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1277 (MCCLXXVII) was a common year starting on Friday of the Julian calendar, the 1277th year of the Common Era (CE) and Anno Domini (AD) designations, the 277th year of the 2nd millennium, the 77th year of the 13th century, and the 8th year of the 1270s decade. As of the start of 1277, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• Burma's Pagan empire begins to disintegrate after being defeated by Kublai Khan at the Battle of Ngasaunggyan, at Yunnan near the Chinese border.
• Some 50,000 leaders and citizens of the Southern Song Dynasty of China become the first recorded inhabitants of Macau, as they seek refuge from the invading Mongol Empire. They also stayed for a short period in Kowloon. Some hundred years later the place where they stayed became Sung Wong Toi.
• Mamluk sultan Baibars invades Anatolia and captures the emirates which once composed the Sultanate of Rüm.
• Llywelyn ap Gruffyd is subdued by King Edward I of England in the First Welsh War.
• St George's cross is first used as the flag of England.
• The philosophical doctrine Averroism is banned from Paris at a condemnation at the University of Paris.
• In Japan, a 20 kilometer stone wall defending the coast of Hakata Bay in Fukuoka is completed; it is built in response to the attempted invasion by the Mongol Empire in 1274.
• November 25 – Pope Nicholas III succeeds Pope John XXI as the 188th pope.
• Third Mongol Golden Horde raid against Lithuania.

Births

• Sempad of Armenia (died c. 1310)
• Isabella of Mar, first wife of Robert Bruce (approximate date; died 1296)

Deaths

• May 1 – Stefan Uros I of Serbia
• May 20 – Pope John XXI (born 1215)
• July 1 – Baibars, Mameluk sultan of Egypt (born 1223)
• October 27 – Walter de Merton, Lord Chancellor of England and founder of Merton College, Oxford
• Folke Johansson Ängel, Archbishop of Uppsala