In 1355, during the Mongol Dynasty, Han Lin'er (韓林兒) was proclaimed by Liu Futong (劉福通) to be the Emperor of Great Song (大宋, a reference to the extinct Song Empire) with the era name Longfeng (龍鳳 "Dragon and fenghuang").
Bozhou |
It served as the castle of the Bozhou Tusi (native chieftain system) Yang family from the Southern Song to the Ming Dynasty.
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.