1251

This article is about the year 1251. For the character encoding (codepage), see Windows-1251. For the The Strokes song, see 12:51 (The Strokes song).

Year 1251 (MCCLI) was a common year starting on Sunday of the Julian calendar.

1251 in various calendars

Gregorian calendar	1251 MCCLI
Ab urbe condita	2004
Armenian calendar	700 ԹՎ Չ
Assyrian calendar	6001
Balinese saka calendar	1172–1173
Bengali calendar	657–658
Berber calendar	2201
English Regnal year	35 Hen. 3 – 36 Hen. 3
Buddhist calendar	1795
Burmese calendar	613
Byzantine calendar	6759–6760
Chinese calendar	庚戌年 (Metal Dog) 3948 or 3741     — to — 辛亥年 (Metal Pig) 3949 or 3742
Coptic calendar	967–968
Discordian calendar	2417
Ethiopian calendar	1243–1244
Hebrew calendar	5011–5012
Hindu calendars
- Vikram Samvat	1307–1308
- Shaka Samvat	1172–1173
- Kali Yuga	4351–4352
Holocene calendar	11251
Igbo calendar	251–252
Iranian calendar	629–630
Islamic calendar	648–649
Japanese calendar	Kenchō 3 (建長３年)
Javanese calendar	1160–1161
Julian calendar	1251 MCCLI
Korean calendar	3584
Minguo calendar	661 before ROC 民前661年
Nanakshahi calendar	−217
Thai solar calendar	1793–1794
Tibetan calendar	ལྕགས་ཕོ་ཁྱི་ལོ་ (male Iron-Dog) 1377 or 996 or 224     — to — ལྕགས་མོ་ཕག་ལོ་ (female Iron-Boar) 1378 or 997 or 225

Events

By place

Europe

• April – The first Shepherds' Crusade, a domestic French uprising in response to events in Egypt during the Seventh Crusade, occurs.^[1][2]
• May – English governor Simon de Montfort suppresses a revolt in Gascony.^[3]
• December 26 – King Alexander III of Scotland marries Margaret, daughter of King Henry III of England, precipitating a power struggle between the two monarchs.^[4][5]
• Andrew de Longjumeau, dispatched two years earlier by King Louis IX of France as an ambassador to the Mongols, meets the king in Palestine, with reports from the Mongols and Tartary; his mission is considered a failure.^[6][7]
• Mindaugas of Lithuania is baptized, in prelude to his crowning as King of Lithuania in 1253.^[8]
• Alexander Nevsky signs the first peace treaty between Kievan Rus' and Norway.^[9][10][11]
• King Conrad IV of Germany invades Italy, but fails to subdue the supporters of Pope Innocent IV.^[12][13]
• Ottokar II of Bohemia, later to become King of Bohemia, is elected Duke of Austria.^[14][15]
• The earliest known manuscript of The Proverbs of Alfred, a collection of sayings of England's Alfred the Great, is written.^[16]

Asia

• April 21 – City of Launggyet in Arakan (modern-day Burma) is founded according to some sources.^[17]
• July 1 – Möngke Khan is elected as the fourth great Khan of the Mongol Empire.^[18][19]
• The carving of the Tripitaka Koreana, a collection of Buddhist scriptures recorded on some 81,000 wooden blocks, is completed.^[20][21]

Births

• June 5 – Hōjō Tokimune, 8th regent of the Kamakura shogunate (d. 1284)^[22][23]
• September 2 – Francis of Fabriano, Italian writer (d. 1322)^[24]
• Adelaide, Countess of Auxerre, French countess (d. 1290)^[25]

Deaths

• January – Bohemund V of Antioch^[26][27]
• February 9 – Matthias II, Duke of Lorraine^[28]
• March 6 – Rose of Viterbo, Italian saint (b. 1235)^[29][30]
• March 31 – William of Modena, Bishop of Modena^[31][32]
• June 6 – William III of Dampierre, Count of Flanders^[33][34]
• date unknown
  • Winter 1251–52 – Eljigidei, Mongol commander of Persia, killed^[35][36]
  • Isobel of Huntingdon, Scots noblewoman (b. 1199)^[37]
  • Oghul Qaimish, 3rd regent of the Mongol Empire, following her husband's death^[38][39]