1273

Events

January 22 - Sultan Muhammad I 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 to make peace with Castile, but he refuses to grant a truce to the Banu governors of Málaga and Guadix in Andalusia.
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.
October 1 - Rudolf I is elected King of Germany over the rival candidate Ottokar II, king of Bohemia, ending the Great Interregnum. He is the first of many Habsburgs to hold the throne and is crowned in Aachen Cathedral, on October 24. Ottokar refuses to acknowledge Rudolf as the new ruler and is placed under the imperial ban, leading to the outbreak of war in 1276.
The Congregatio Regni totius Sclavonie Generalis, with its decisions, is the oldest surviving document written by the Croatian parliament.

July - Mamluk forces under Baibars capture the last remaining stronghold of the Order of Assassins sect, Al-Kahf Castle.
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.
December - Followers of Persian poet and mystic Rumi establish the Mevlevi Order in the city of Konya.

March 14 - Battle of Xiangyang: Chinese forces surrender to Kublai Khan's general Aju after a 6-year siege. The battle is the first in which firearms are used in combat.
In Korea, the Sambyeolcho Rebellion against the Goryeo dynasty ends as rebel forces are defeated.

The Holy Redeemer khachkar, believed to be one of the finest examples of that style of art, is carved in Haghpat.

Alfonso X creates and grants privileges to the Mesta to promote the wool industry, protecting livestock owners and their animals in the Crown of Castile.

October 6 - Thomas Aquinas, Italian priest and theologian, writes Summa Theologica, a master work of Catholic theology, leaving it unfinished, after having a mystical experience during Mass.