January 22– Sultan Muhammad I (or Ibn al-Ahmar) suffers fatal injuries after falling from his horse near the city of Granada during a minor military expedition. He is succeeded by his son Muhammad II, who becomes ruler of the Emirate of Granada. Muhammad enters negotiations with King Alfonso X ("the Wise") to make peace with Castile, but he refuses to grant a truce to the Banu governors (arraeces) of Málaga and Guadix in Andalusia.[1]
Autumn – Sultan Muhammad II of Granada sends an embassy to the court of Alfonso X in Seville, where it is received with honour. Alfonso agrees to Granada's demands, to end his support for the Banu Ashqilula, in exchange for the promise that Muhammad becomes Alfonso's vassal. Muhammad pays him 450,000 maravedis each year in tribute and grants the Banu rebels a truce for two years.[2]
The Congregatio Regni totius Sclavonie Generalis, with its decisions (statuta et constitutiones), is the oldest surviving document written by the Croatian parliament (or Sabor).
August– Mongol forces surround the castle of Al-Bira. Baibars skirts around the enemy with camels and wagons. He launches a devastating attack and routes the Mongols.[5]
December– Followers of Persian poet and mystic Rumi establish the Mevlevi Order ("whirling dervishes") in the city of Konya (approximate date).
Asia
March 14–Battle of Xiangyang: Chinese forces surrender to Kublai Khan's general Aju (or Achu) after a 6-year siege. The battle is the first in which firearms are used in combat.