Tang Dynasty: from the Pawn of Yinshan to the Duke of Liang

In the fourth year of Zhenguan, Su Dingfang made a surprise attack on Yinshan Mountain. A team of more than two hundred people was lost in the snowy night of Yinshan Mountain. That night, a soldier named Liu Qing stood up. From then on, a white-robed general appeared in the Tang Dynasty who was famous in all countries. General Youwuwei of the Tang Dynasty, the governor of Anxi, was granted the title of Duke of Liang. Four hundred households were sealed, followed by Liu Qing, followed by Liu.