The conquest Conquering of the Western Turks , known as the Western Tujue in Chinese sources , was a military campaign Military_operation in 657 led by the Tang Dynasty general Su Dingfang against the Western Turkic Khaganate ruled Control by Ashina Helu .

The victory strengthened Cause_change_of_strength Tang control Control of the Western Regions , now modern Xinjiang , and brought the regions formerly ruled Control by the Khaganate into the Tang empire .

In the 6th century the Turkic Khaganate was established Creating .

This was followed Motion by the Uyghur Khaganate in the 8th-9th century .