1387
Year 1387 was a common year starting on Tuesday of the Julian calendar.
Events
January–December
- Elizabeta Kotromanic, mother of Mary, Queen of Hungary and the regent of Hungary, is murdered in prison by the Croatian rebels.
- 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