1290

1290 (MCCXC) was a common year starting on Sunday of the Julian calendar, the 1290th year of the Common Era (CE) and Anno Domini (AD) designations, the 290th year of the 2nd millennium, the 90th year of the 13th century, and the 1st year of the 1290s decade. As of the start of 1290, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1260s  1270s  1280s  – 1290s –  1300s  1310s  1320s
Years:	1287 1288 1289 – 1290 – 1291 1292 1293

1290 in other calendars

Gregorian calendar	1290 MCCXC
Ab urbe condita	2043
Armenian calendar	739 ԹՎ ՉԼԹ
Assyrian calendar	6040
Balinese saka calendar	1211–1212
Bengali calendar	697
Berber calendar	2240
English Regnal year	18 Edw. 1 – 19 Edw. 1
Buddhist calendar	1834
Burmese calendar	652
Byzantine calendar	6798–6799
Chinese calendar	己丑年 (Earth Ox) 3986 or 3926     — to — 庚寅年 (Metal Tiger) 3987 or 3927
Coptic calendar	1006–1007
Discordian calendar	2456
Ethiopian calendar	1282–1283
Hebrew calendar	5050–5051
Hindu calendars
- Vikram Samvat	1346–1347
- Shaka Samvat	1211–1212
- Kali Yuga	4390–4391
Holocene calendar	11290
Igbo calendar	290–291
Iranian calendar	668–669
Islamic calendar	688–689
Japanese calendar	Shōō 3 (正応３年)
Javanese calendar	1200–1201
Julian calendar	1290 MCCXC
Korean calendar	3623
Minguo calendar	622 before ROC 民前622年
Nanakshahi calendar	−178
Thai solar calendar	1832–1833
Tibetan calendar	阴土牛年 (female Earth-Ox) 1416 or 1035 or 263     — to — 阳金虎年 (male Iron-Tiger) 1417 or 1036 or 264

Events

• March 1 – The University of Coimbra is founded in Lisbon, Portugal by King Denis of Portugal; it moves to Coimbra in 1308.
• July 18 – King Edward I of England banishes all Jews (numbering about 16,000) from Britain; Jews traditionally hold that this event occurs on Tisha B'Av, a sorrowful Jewish holiday.
• August 1 – The country of Wallachia is founded (traditional date).
• December – The twelve Eleanor crosses are erected between Lincolnshire and London in England as King Edward I mourns the death of his queen consort Eleanor of Castile.
• Construction of Llandaff Cathedral is completed in Cardiff, Wales, 170 years after it was begun.
• The Mongol Empire invades the Bessarabia region of Moldavia.
• The second of the Statutes of Mortmain are passed under king Edward I of England, which prevents land from passing into possession of the church. The statute Quia Emptores is also passed, reforming the feudal system of land leases and allowing the sale of fee simple estates.
• King Denis of Portugal decrees that Portuguese be the official language of Portugal, replacing classical Latin in that capacity.
• Construction on the Akershus Fortress of Oslo, Norway is begun.