1277

Millennium:	2nd millennium
Centuries:	12th century 13th century 14th century
Decades:	1250s 1260s 1270s 1280s 1290s
Years:	1274 1275 1276 1277 1278 1279 1280

1277 in various calendars

Gregorian calendar	1277 MCCLXXVII
Ab urbe condita	2030
Armenian calendar	726 ԹՎ ՉԻԶ
Assyrian calendar	6027
Balinese saka calendar	1198–1199
Bengali calendar	684
Berber calendar	2227
English Regnal year	5 Edw. 1 – 6 Edw. 1
Buddhist calendar	1821
Burmese calendar	639
Byzantine calendar	6785–6786
Chinese calendar	丙子年 (Fire Rat) 3974 or 3767     — to — 丁丑年 (Fire Ox) 3975 or 3768
Coptic calendar	993–994
Discordian calendar	2443
Ethiopian calendar	1269–1270
Hebrew calendar	5037–5038
Hindu calendars
- Vikram Samvat	1333–1334
- Shaka Samvat	1198–1199
- Kali Yuga	4377–4378
Holocene calendar	11277
Igbo calendar	277–278
Iranian calendar	655–656
Islamic calendar	675–676
Japanese calendar	Kenji 3 (建治３年)
Javanese calendar	1187–1188
Julian calendar	1277 MCCLXXVII
Korean calendar	3610
Minguo calendar	635 before ROC 民前635年
Nanakshahi calendar	−191
Thai solar calendar	1819–1820
Tibetan calendar	阳火鼠年 (male Fire-Rat) 1403 or 1022 or 250     — to — 阴火牛年 (female Fire-Ox) 1404 or 1023 or 251

Year 1277 (MCCLXXVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Events

• March 7 – Condemnation of 1270: 219 philosophical and theological doctrines such as Averroism are prohibited from discussion in the University of Paris, under a decree promulgated by Étienne Tempier, Bishop of Paris.
• March 18 – Charles of Anjou buys the title to the Kingdom of Jerusalem from Mary of Antioch, for 1,000 bezants and an annual payment of 4,000 livres tournois.
• March 19 – The Byzantine–Venetian treaty of 1277 is concluded, stipulating a two-year truce and renewing Venetian commercial privileges in the Byzantine Empire.
• April 15 – Battle of Elbistan: Mamluk sultan Baibars invades the Seljuk Sultanate of Rûm, and defeats a Mongol army.
• November 25 – Pope Nicholas III succeeds Pope John XXI, as the 188th pope.
• Battle of Ngasaunggyan: Burma's Pagan Empire begins to disintegrate, after being defeated by Kublai Khan 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 armies of the Yuan Dynasty. They also stay for a short period in Kowloon. Some hundred years later, the place where they stayed becomes Sung Wong Toi.
• The Treaty of Aberconwy is signed by Llywelyn ap Gruffudd, Prince of Wales, and King Edward I of England, ending the First Welsh War, in exchange for restrictions on Llywelyn's power.
• St George's Cross is first recorded in use, as the national flag of England.
• 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 Yuan Dynasty in 1274.
• In England, Roger Bacon, a Franciscan friar and University of Oxford lecturer, is arrested for spreading anti-Church views; specifically, the Church's stance on Greek philosopher Galen.

Births

• Sempad of Armenia, king of the Armenian Kingdom of Cilicia (d. c. 1310)
• Isabella of Mar, Scottish countess, first wife of Robert Bruce (approximate date; d. 1296)
• Martha of Denmark, queen consort of Sweden (d. 1341)

Deaths

• January–March – Philip of Sicily, titular King of Thessalonica
• April – Joachim Gutkeled
• May 1 – Stefan Uroš I of Serbia
• May 20 – Pope John XXI (b. 1215)
• July 1 – Baibars, Mameluk sultan of Egypt (b. 1223)
• August 2 – Mu'in al-Din Sulaiman Pervane, Chancellor and Regent of the Sultanate of Rum
• October 17 – Beatrice of Falkenburg, German queen consort (b. c. 1254)
• October 27 – Walter de Merton, Lord Chancellor of England and founder of Merton College, Oxford
• date unknown
  • Folke Johansson Ängel, Archbishop of Uppsala since 1274
  • Licoricia of Winchester, English businesswoman
  • Jacopo da Leona, Italian poet, at Volterra