1387
# 1387

Year 1387 (MCCCLXXXVII) was a common year starting on Tuesday (link will display the full calendar) 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 (her daughter is liberated on 4 June).
* 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 (which it will remain until 1497).
* 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 (d. 1441)
* date unknown – Henriette, Countess of Montbéliard, regent of Württemberg (d. 1444)

## Deaths

* January – Elizabeth of Bosnia, regent of Hungary
* January 1 – King Charles II of Navarre (b. 1332)
* January 6 – Peter IV of Aragon (b. 1319)
* July 20 – Robert IV of Artois, Count of Eu (poisoned) (b. 1356)
* July 22 – Frans Ackerman, Flemish statesman (b. 1330)
* August 23 – King Olaf IV of Norway/Olaf II of Denmark (b. 1370)
* date unknown
   * Richard Óg Burke, second Clanricarde of Ireland
   * Sir David Hanmer, Welsh judge, father-in-law of Owain Glyndŵr
