1377

1377 (MCCCLXXVII) was a common year starting on Thursday of the Julian calendar, the 1377th year of the Common Era (CE) and Anno Domini (AD) designations, the 377th year of the 2nd millennium, the 77th year of the 14th century, and the 8th year of the 1370s decade. As of the start of 1377, the Gregorian calendar was 8 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	13th century – 14th century – 15th century
Decades:	1340s  1350s  1360s  – 1370s –  1380s  1390s  1400s
Years:	1374 1375 1376 – 1377 – 1378 1379 1380

Events

• January 17 – Gregory XI enters Rome.
• January 27 – The Bad Parliament begins sitting.
• February 23 – The Bad Parliament dissolved.
• May – Continuous riots in Rome induce Gregory XI to remove temporarily to Anagui.
• May 22 – Gregory XI issues five Bulls in which the opinions of John Wyclif are condemned.
• June 21 – Edward III dies at age 65.
• July 16 – Coronation of 10-year-old Richard II.
• October 13 – Richard II's first parliament meets.
• October 18 – Andronicus IV Palaeologus crowned emperor in Constantinople.
• Informed that khan Urus of the White Horde has died, Timur Lenk sends Tokhtamish to take the Horde throne, but the successor of Urus defeats him.
• Mamluk sultan Sha'ban II is succeeded by 'Ali II.
• Muhammad al-Mutawakkil I is briefly deposed this year as Abbasid puppet caliph of the Mamluks, Zakariyya' al-Mu'tasim taking the throne for that period.
• A sermon by a German monk states "the game of cards has come to us this year" and prohibitions against cards are issued by John of Castile and the cities of Florence and Basel.
• Papal legate to northern Italy Robert of Geneva (the future Clement VII) pillages Cesena and 4,000 antipapal rebels are massacred.