1377

Year 1377 was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.

Events

The Bad Parliament begins sitting in England. Influenced by Prince John of Gaunt, it undoes the work done by the Good Parliament, the previous year, to reduce corruption in the Royal Council. It also introduces a poll tax.
Fourteen-year-old Mary of Sicily succeeds her father, Frederick III the Simple.

February - The Pope's representative in northern Italy, Robert of Geneva (the future antipope Clement VII), pillages Cesena and 4,000 antipapal rebels are massacred.
March 2 – The Bad Parliament dissolved.
May

Continuous riots in Rome induce Pope Gregory XI to move temporarily back to Avignon.
Władysław II Jagiello succeeds his father, Algirdas, as Grand Duke of Lithuania. Jagiello removes his uncle, Kęstutis, as co-ruler.

May 22 - Pope Gregory XI issues five Bulls condemning the opinion of John Wycliffe that Catholic priests should live in poverty like the twelve disciples of Jesus.

July 16 - Coronation of 10-year-old Richard II, grandson of Edward III. Richard's uncle, John of Gaunt, rules on his behalf until 1381.
August - the Hongwu Emperor of the Ming Dynasty of China scraps the Office of Reports Inspection established in 1370 for a new Office of Transmission, in his efforts to create a more efficient communicatory system in the empire. A month before this he noted that anyone could send petitions to the throne; commoners often did, although the only times their petitions were read aloud to the emperor was when they called for the impeachment of local officials that were not up to par with their official duties.
October 13 – Richard II’s first parliament meets.
October 26 - Coronation of Tvrtko I of Bosnia king of Bosnia and Serbia.

A sermon by a German monk states "the game of cards has come to us this year" and prohibitions against cards are issued by Prince John of Castile and the cities of Florence and Basel.
Radu I succeeds Vladislav I as Prince of Wallachia (now southern Romania).
The Trezzo sull'Adda Bridge is completed, and becomes the longest arch bridge in the world to be built for four centuries

Sayf ad-Din Berkuk leads a revolt against the Mamluk Sultan of Egypt Alah-ad-Din Ali.
Harihara II succeeds Bukka as ruler of the Vijayanagara Empire (now in southern India).
Informed that Khan Urus of the White Horde has died, Timur of the Timurid Empire sends Tokhtamysh to take the Horde throne, but is defeated by Urus' son, Timur Malik.
Tran Hien succeeds Tran Kính as King of Vietnam.
A rebellion against the Majapahit Empire is quashed in Sumatra.