5th May » Kublai Khan becomes ruler of the Mongol Empire.
13th July » The Livonian Order suffers its greatest defeat in the 13th century in the Battle of Durbe against the Grand Duchy of Lithuania
3rd September » The Mamluks defeat the Mongols at the Battle of Ain Jalut in Palestine (region) known as Palestine, marking their first decisive defeat and the point of maximum expansion of the Mongol Empire.
4th September » The Siena Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florence Florentine Guelphs at battle of Montaperti Montaperti.
20th September » the Great Prussian Uprising among the old Prussians begins against the Teutonic Knights.
24th October » The Cathedral of Chartres is dedicated in the presence of King Louis IX of France; the cathedral is now a UNESCO World Heritage Site.
24th October » Qutuz Saif ad-Din Qutuz, Mamluk Sultanate (Cairo) Mamluk sultan of Egypt, is List of assassinated people assassinated by Baibars, who seizes power for himself.
Famous Deaths in History for 1260
2nd February » Sadok and 48 Dominican martyrs from Sandomierz