1387

Events

January–December

• January - Sigismund, the future Holy Roman Emperor and husband of Mary, Queen of Hungary, orders the murder of her mother-in-law, Elizabeta Kotromanic, and declares himself joint ruler of Hungary.
• January 1 - Charles III ascends to the throne of Navarre, after the death of his father, Charles II.
• January 5 - John I succeeds his father, Peter IV, as King of Aragon and Valencia, and forms an alliance with France and Castile.
• March 11 - Battle of Castagnaro: Padua, led by John Hawkwood, is victorious over Giovanni Ordelaffi of Verona.
• March 24-25 - Battle of Margate off the coast of Margate: The Kingdom of England is victorious over a Franco-Castilian-Flemish fleet.
• June 2 - John Holland, a maternal half-brother of Richard II of England, is created Earl of Huntingdon.
• August 22 - Olaf, King of Norway and Denmark and claimant to the throne of Sweden, dies. The vacant thrones come under the regency of his mother Margaret I of Denmark, who will soon become queen in her own right.
• September 27 - Petru of Moldavia pays homage to Władysław II Jagiełło, making Moldavia a Polish fief.
• December 19 - Battle of Radcot Bridge: Forces loyal to Richard II of England are defeated by a group of rebellious barons known as the Lords Appellant. Richard II is imprisoned, until he agrees to replace all the councillors in his court.

  Date unknown

• Timur conquers the Muzaffarid Empire in central Persia, and appoints three puppet rulers.
• Khan Tokhtamysh of the Golden Horde invades the Timurid Empire, but has to withdraw soon after, due to heavy snow.
• Maghan II succeeds his brother, Musa II, as Mansa of the Mali Empire

  Births

• July 6 - Queen Blanche I of Navarre
• date unknown - Henriette, Countess of Montbéliard, regent of Württemberg

  Deaths

• January - Elizabeth of Bosnia, regent of Hungary
• January 1 - King Charles II of Navarre
• January 6 - Peter IV of Aragon
• July 20 - Robert IV of Artois, Count of Eu
• July 22 - Frans Ackerman, Flemish statesman
• August 23 - King Olaf IV of Norway/Olaf II of Denmark
• date unknown
• * Richard Óg Burke, second Clanricarde of Ireland
• * Sir David Hanmer, Welsh judge, father-in-law of Owain Glyndŵr