Events

• St. Thomas Aquinas completes his Summa Theologica.
• Rudolph of Hapsburg is elected king of Germany.
• The Latin Empire of Constantinople officially falls with Baldwin II's death.
• The battle of Xiangyang (in which the first combat use of firearms in history occurs) concludes.
• The Sambyeolcho Rebellion ends.
• Premysl Ottokar II captures Bratislava
• The order of the Whirling Dervishes is founded by the followers of the late Rumi.
• Georgius Acropolita visits Pope Gregory X
• The parish church of Stone, Buckinghamshire, is dedicated to St John the Baptist
• The Spear of Destiny is used in a coronation ceremony.
• According to myth, Marco Polo visits to Alamut & describes Hashshashin (assassins)
• Henry III of Champagne is crowned king of Navarre.
• Robert Kilwardby becomes Archbishop of Canterbury.
• Sir Joseph Chauncy, Prior of the Knights of St. John in England becomes Lord High Treasurer of England.
• Alphonso is created sixth Earl of Chester
• Przemysl II of Poland marries Ludgarda of Mecklenburg , daughter of Henry I the Pilgrim , duke of Mecklenburg
• John I, Duke of Brabant marries Margaret of Flanders .

Births

• Abulfeda, geographer

Deaths

• Jalal al-Din Muhammad Rumi (poet and Sufi mystic) on December 17.
• Baldwin II of Constantinople
• Hojo Masamura
• Thomas Berard , Grand Master of the Knights Templar
• Marguerite, daughter of Thomas I of Savoy
• Robert of Sutton who chartered Peterborough

Monarchs/Presidents

• Aragon - James I King of Aragon and count of Barcelona (reigned from 1213 to 1276)
• Hojo Yoshimasa succeeds Hojo Masamura as Rensho (連署) of the Kamakura shogunate in Japan.