As part of the preparation for war, Emperor Dezong divided Yongping, making three of its seven prefectures — Song (宋州, in modern Shangqiu, Henan), Bo (亳州, in modern Bozhou, Anhui), and Ying Prefectures — into a new Xuanwu Circuit, giving Si Prefecture (泗州, in modern Huai'an, Jiangsu) to Huainan Circuit (淮南, headquartered in modern Yangzhou, Jiangsu), and adding Zheng Prefecture (鄭州, in modern Zhengzhou, Henan) to Yongping.
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In 755, the general An Lushan rebelled at Fanyang, and by summer 756, the forces of his new state of Yan were approaching the Tang capital Chang'an, forcing Emperor Xuanzong to flee to Chengdu.
Mian Shakirullah Jan | Pei Mian | Mian Muhammad Azhar | Mian Hayaud Din |