1251

Template:Use mdy dates Template:About year Template:Year nav Template:C13 year in topicYear 1251 (MCCLI) was a common year starting on Sunday of the Julian calendar.

Events

By place

Europe

• April – The first Shepherds' Crusade, a domestic French uprising in response to events in Egypt during the Seventh Crusade, occurs.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• May – English governor Simon de Montfort suppresses a revolt in Gascony.<ref name="Cassell's Chronology">Template:Cite book</ref>
• December 26 – King Alexander III of Scotland marries Margaret, daughter of King Henry III of England, precipitating a power struggle between the two monarchs.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• 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.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• Mindaugas of Lithuania is baptized, in prelude to his crowning as King of Lithuania in 1253.<ref>Template:Cite book</ref>
• Alexander Nevsky signs the first peace treaty between Kievan Rus' and Norway.<ref>Template:Cite book</ref><ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• King Conrad IV of Germany invades Italy, but fails to subdue the supporters of Pope Innocent IV.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• Ottokar II of Bohemia, later to become King of Bohemia, is elected Duke of Austria.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• The earliest known manuscript of The Proverbs of Alfred, a collection of sayings of England's Alfred the Great, is written.<ref>Template:Cite book</ref>

Asia

• April 21 – City of Launggyet in Arakan (modern-day Burma) is founded according to some sources.<ref>Rakhine Razawin Thit.</ref>
• July 1 – Möngke Khan is elected as the fourth great Khan of the Mongol Empire.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• The carving of the Tripitaka Koreana, a collection of Buddhist scriptures recorded on some 81,000 wooden blocks, is completed.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>

Births

• June 5 – Hōjō Tokimune, 8th regent of the Kamakura shogunate (d. 1284)<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• September 2 – Francis of Fabriano, Italian writer (d. 1322)<ref>Template:Cite book</ref>
• Adelaide, Countess of Auxerre, French countess (d. 1290)<ref>Template:Cite book</ref>

Deaths

• January – Bohemund V of Antioch<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• February 9 – Matthias II, Duke of Lorraine<ref>Template:Cite book</ref>
• March 6 – Rose of Viterbo, Italian saint (b. 1235)<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• March 31 – William of Modena, Bishop of Modena<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• June 6 – William III of Dampierre, Count of Flanders<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• date unknown
  • Winter 1251–52 – Eljigidei, Mongol commander of Persia, killed<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
  • Isobel of Huntingdon, Scots noblewoman (b. 1199)<ref>Template:Cite book</ref>
  • Oghul Qaimish, 3rd regent of the Mongol Empire, following her husband's death<ref>Template:Cite book</ref><ref>Template:Cite book</ref>