 In 1206 Genghis Khan unified the Mongol and Turkic tribes on the Mongolian plateau, estanblishing the Mongol Empire (1206–1368).In 1209, after they began their advance west, the Uyghur state in the Turfan-Urumqi area offered its allegiance to the Mongol Empire.It paid taxes and sent troops to fight for the Mongol imperial effort and work as civil servants.