Wang Shichong at Luoyang has Yang Tong …
Years: 619 - 619
Wang Shichong at Luoyang has Yang Tong yield the throne to him in spring 619, ending the Sui dynasty and establishing a new state of Zheng.
Around the same time, Li Gui, while stating that he wishes to be a Tang subject, refuses the Tang creation of Prince of Liang, instead declaring himself the Emperor of Tang.
In summer 619, Li Gui's official An Xinggu, formerly a Tang official, rebels against Li Gui and captures him, submitting to Tang.
Gaozu executes Li Gui and incorporates his domain into Tang.
Also around the same time, …
