1387

1387 in other calendars
Gregorian calendar	1387; MCCCLXXXVII
Ab urbe condita	2140
Armenian calendar	836; ԹՎ ՊԼԶ
Assyrian calendar	6137
Balinese saka calendar	1308–1309
Bengali calendar	794
Berber calendar	2337
English Regnal year	10 Ric. 2 – 11 Ric. 2
Buddhist calendar	1931
Burmese calendar	749
Byzantine calendar	6895–6896
Chinese calendar	丙寅年 (Fire Tiger); 4083 or 4023; — to —; 丁卯年 (Fire Rabbit); 4084 or 4024
Coptic calendar	1103–1104
Discordian calendar	2553
Ethiopian calendar	1379–1380
Hebrew calendar	5147–5148
Hindu calendars
- Vikram Samvat	1443–1444
- Shaka Samvat	1308–1309
- Kali Yuga	4487–4488
Holocene calendar	11387
Igbo calendar	387–388
Iranian calendar	765–766
Islamic calendar	788–789
Japanese calendar	Shitoku 4 / Kakei 1; (嘉慶元年)
Javanese calendar	1300–1301
Julian calendar	1387; MCCCLXXXVII
Korean calendar	3720
Minguo calendar	525 before ROC; 民前525年
Nanakshahi calendar	−81
Thai solar calendar	1929–1930
Tibetan calendar	阳火虎年; (male Fire-Tiger); 1513 or 1132 or 360; — to —; 阴火兔年; (female Fire-Rabbit); 1514 or 1133 or 361

Millennium:	2nd millennium
Centuries:	13th century – 14th century – 15th century
Decades:	1350s 1360s 1370s – 1380s – 1390s 1400s 1410s
Years:	1384 1385 1386 – 1387 – 1388 1389 1390

1387 (MCCCLXXXVII) was a common year starting on Tuesday of the Julian calendar, the 1387th year of the Common Era (CE) and Anno Domini (AD) designations, the 387th year of the 2nd millennium, the 87th year of the 14th century, and the 8th year of the 1380s decade. As of the start of 1387, the Gregorian calendar was 8 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

Sigismund, the future Holy Roman Emperor and husband of Queen Mary of Hungary, orders the murder of his mother-in-law, Elizabeta Kotromanic, and declares himself joint ruler of Hungary.
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 soon after withdraw due to heavy snow.
August 23 – Death of Olaf, King of Norway and Denmark and claimant to the throne of Sweden. The vacant thrones come under the regency of his mother Margaret I of Denmark who would soon become Queen in her own right.
December 19 – Battle of Radcot Bridge: forces loyal to Richard II of England defeated by a group of rebellious barons known as the Lords Appellant. Richard II is imprisoned until he agrees replace all the councillors in his court.
Geoffrey Chaucer begins writing The Canterbury Tales.
Battle of Castagnaro between the Italian cities of Verona and Padua. Padua, led by John Hawkwood, is victorious over Giovanni Ordelaffi led Verona.
Charles III ascends to the throne of Navarre after the death of his father, Charles II.
John I succeeds his father, Peter IV, as King of Aragon and Valencia, and forms an alliance with France and Castille.
Magha II succeeds his brother, Musa II, as Mansa of the Mali Empire.
June 2 – John Holland, a maternal half-brother of Richard II of England, is created Earl of Huntingdon.

August 9 – King Henry V of England (died 1422)
Henriette of Mömpelgard, countess of Mömpelgard and regent of Württemberg (died 1444)
Isabella of Valois, Princess of France (died 1410)