From there, Yazdegerd went to China.[1] Nevertheless, Yazdegerd III kept on intruding in Persia, using his influence over the notables and chiefs of Persia, thus remained a motivating force behind the Persian rebellion. During Caliph Uthman's reign, Yadegerd III came back to Bactria and Khorasan rebelled against the Caliphate. Abdullah ibn Aamir crushed the rebellion and defeated Yazdegerd's forces.