1376

January–December

• March - The peace treaty between England and France is extended until April, 1377.
• March 31 - Pope Gregory XI excommunicates all members of the government of Florence, and places the city under an interdict.
• April 28 - The Good Parliament begins in England.
• May 3 - Olav IV Haakonsson is elected King Oluf II of Denmark, following the death of his grandfather, Valdemar IV, in 1375.
• June - Catherine of Siena visits Pope Gregory XI in Avignon, to attempt to persuade him to make peace with Florence, and move the Papacy back to Rome.
• June 7 - The dying Prince Edward summons his father, Edward III, and brother, John of Gaunt, and makes them swear to uphold the claim to the throne of his son Richard; Edward is the first "English" Prince of Wales not to become King of England.
• July 10 - The Good Parliament is dissolved.
• August 12 - With the help of the Genoese, Byzantine co-emperor Andronicus IV Palaeologus invades Constantinople and dethrones his father, John V Palaeologus, as co-emperor. John V Palaeologus is taken prisoner.
• September - John of Gaunt summons religious reformer John Wyclif to appear before the Royal Council.
• November 20 - Richard of Bordeaux, son of the Black Prince, is created Prince of Wales in succession to his father.
• December 25 - John of Gaunt presents his nephew, Richard of Bordeaux, to the feudatories of the realm and swears to uphold Richard's right to succeed Edward III.

  Births

• November 9 - Edmund Mortimer, English nobleman and rebel
• date unknown
• * Gihwa, scholar in Korean Buddhism
• * Sofia of Bavaria, queen consort of Bohemia
• * Yusuf III, Sultan of Granada

  Deaths

• January 24 - Richard FitzAlan, 10th Earl of Arundel, English military leader
• April 6 - Przecław of Pogorzela, Cardinal and Bishop of Wrocław
• May 30 - Joan of Ponthieu, Dame of Epernon, French countess regent
• June 8 - Edward, the Black Prince, son of King Edward III of England
• July 22 - Simon Langham, Archbishop of Canterbury