All Events
Hulagu and his Mongol descendants rule Persia as Il-khans, subordinate to the great khan in the east
Prince Edward, escaping from captivity, defeats and kills Simon de Montfort at Evesham
The new Mameluke dynasty in Egypt begins a systematic campaign to drive the Crusaders out of the Middle East
Thomas Aquinas begins the outstanding work of medieval scholasticism, his Summa Theologiae
In a treaty agreed at Shrewsbury, the English king Henry III acknowledges Llewellyn ap Gruffydd as the prince of Wales
The first mention of a lens occurs in a manuscript by Roger Bacon, to be soon followed by the invention of spectacles
The Marinids, a Berber tribe, take Marrakech and bring to an end Almohad rule in Morocco
The Assassins are systematically destroyed by Baybars, the Mameluke sultan of Egypt
Novgorod asserts its independence, electing its own city magistrate to take over the role of the local Russian prince

Marco Polo, aged seventeen, sets off from Venice on his journey to the east
The Mongol leader Kublai Khan chooses a name for his new dynasty in China, calling it Ta Yuan ('Great Origin')
Edward I is in Sicily when he becomes king of England, on the death of his father, Henry III
The period without a German king, known as the Great Interregnum, ends with the election of a Habsburg prince, Rudolf I
The Mongol invasion of Japan in 1274 seems to confirm the doom and disaster foretold by the Buddhist prophet Nichiren
Dante, aged nine, is overwhelmed by the beauty of Beatrice - a child a year younger than himself who later becomes his poetic inspiration
Kublai Khan moves his administrative capital from Karakorum to what is now Beijing
A child dies in Guildford and is commemorated in a Dominican friary established in the city by his grandmother, Eleanor of Provence
Mongol control over the entire breadth of Asia introduces a stability often called the Pax Mongolica, echoing the Pax Romana
Marco Polo is presented to Kublai Khan in Xanadu, and according to his own account makes a very good impression
The Mamelukes control Palestine and Syria, bringing the region securely back into Muslim hands
At Dürnkrut Rudolf I defeats and kills Otakar II, his rival for Austria - thus bringing the Austrian territories into the Habsburg domain
With the fall of Hangzhou, the Song imperial capital, Kublai Khan's new Yüan dynasty is secure
Resistance from the last adherents of the Song dynasty is finally brought to an end, giving Kublai Khan control of a united China
Beijing (known to the Mongols as Khanbaliq, 'city of the khan', and to the Chinese as Dadu, 'great capital') becomes for the first time the capital of China
The Tibetan link with the Mongols brings Tibet within the Chinese empire of Kublai Khan