1383

January–December

• May 17 - King John I of Castile and Leon marries Beatrice of Portugal.
• July 7 - James of Baux, ruler of Taranto and Achaea, and last titular Latin Emperor, dies childless. As a result:
• * Charles III of Naples becomes ruler of Achaea.
• * Otto, Duke of Brunswick-Grubenhagen, the widower of Joanna I of Naples, becomes ruler of Taranto.
• * Louis I, Duke of Anjou inherits the claim to the Latin Empire, but never uses the title of Emperor.
• October 22 - King Fernando I of Portugal dies, and is succeeded by his daughter, Beatrice of Portugal. A period of civil war and anarchy, known as the 1383–85 Crisis, begins in Portugal, due to Beatrice being married to King John I of Castile and Leon.

Date unknown

• The Teutonic Knights recommence war against pagan Lithuania.
• Dan I succeeds his father Radu as Prince of Wallachia. He is the ancestor of the House of Dăneşti.
• Rao Chanda succeeds Rao Biram Dev as Rathore ruler of Marwar.
• Löwenbräu beer is first brewed.
• Completion of the original inner courtyard of Farleigh Hungerford Castle in Somersetshire, England.
• The Wat Phra That Doi Suthep Temple is built in modern-day Thailand, by King Kuena of Lanna.
• Construction of the Bastille fortress is completed in Paris, France.

Births

• April 30 - Anne of Gloucester, English countess, granddaughter of King Edward III of England
• September 4
• * Antipope Felix V
• * Amadeus VIII, Duke of Savoy
• November 9 - Niccolò III d'Este, Marquis of Ferrara date unknown - Pope Eugene IV

Deaths

• March 1 - Amadeus VI, Count of Savoy
• March 3 - Hugh III of Arborea
• June 5 - Dmitry Konstantinovich, Russian prince
• June 8 - Thomas de Ros, 4th Baron de Ros, English Crusader
• June 15 - John VI Kantakouzenos, Byzantine Emperor
• July 7 James of Baux, titular Latin Emperor
• October 22 - King Fernando I of Portugal
• December 7 - Wenceslaus I, Duke of Luxembourg
• December 23 - Beatrice of Bourbon, Queen of Bohemia date unknown - Radu I, Prince of Wallachia