Mongol conquest of the Song dynasty Mongol conquest of the Song dynasty The Mongol conquest of the Song dynasty under Kublai Khan (r. 1260–1294) was the final step for the Mongols to rule the whole of China under the Yuan dynasty. It is also considered the Mongol Empire's last great military achievement. Before the Mongol–Jin War escalated, an envoy from the Song dynasty arrived at the court of the Mongols, perhaps to negotiate a united offensive against the Jin dynasty, who the Song had previously fought during the Jin–Song Wars. Although Genghis Khan refused, on his death in 1227 he bequeathed a plan to attack the
Mongol invasions of the Levant Tekuder's conversion to Islam and attempts to make peace with the Mamluks were not popular with the other nobles of the Ilkhanate. When Tekuder's brother Arghun challenged him for the throne, Tekuder sought assistance in vain from the Mamluks, but was executed. Arghun (1284–91) took power, and as directed by the Great Khan Kublai (r.1260-94) continued Mongol attempts to conquer Syria. In late 1299, the Mongol Ilkhan Mahmud Ghazan, son of Arghun, took his army and crossed the Euphrates river to again invade Syria. They continued south until they were slightly north of Homs, and successfully took Aleppo. There, Ghazan