Seek the opportunity of Zhang proclaimed himself.

In the seventeenth year of Chongzhen (1644), 165438+1October16, Zhang proclaimed himself emperor in Chengdu, with the title "Daxi" changed to "Dashun", and Chengdu was named Xijing.

In different periods, Zhang Jian established different regimes: in the eighth year of Chongzhen in the Ming Dynasty (AD 1635), Zhang was first called "Emperor Zhenlong of Guyuan" in Fengyang. In the fifteenth year of Chongzhen (1642), Zhang initiated political power in Shucheng and Lu 'an successively, and established the name of "destiny". In the second year of the mandate of heaven (1643), Zhang was called the "West King" according to Huangzhou. In the same year, Zhang founded the "Great Western Country" in Wuchang and called it the "Great Western King". In the third year of Daxi (1644), Zhang proclaimed himself emperor in Chengdu, Sichuan, and his title remained Daxi, renamed Dashun.