Founded a steppe khaganate in 744 CE that lasted about a century, allied with Tang China against the Tibetan Empire and the An Lushan rebels. Later renamed themselves
回鹘 (Huíhú); migrated to the Tarim Basin after their khaganate collapsed in 840 CE, where they form the ethnic core of today's
维吾尔族 Uyghurs and
裕固族 Yugurs.