Zhang Yichao

Zhang Yichao was a Chinese military general and politician of the Tang dynasty who was a resident of Sha Prefecture. When the Tibetan Empire plunged into civil war, he led a rebellion, capturing several cities and reverted the area's allegiance to the Tang dynasty. He subsequently conquered the Hexi Corridor and governed it as the military commissioner (jiedushi) of Guiyi Circuit under nominal authority of the Tang emperors.