Yang Zhengdao

After Li Shimin ascended the throne, someone wrote a letter to the Emperor of the Sui Dynasty, but Li Shimin pretended not to see it
Li Shimin Sui Dynasty Yang Zhengdao Sui Dynasty Emperor Turkic Li Yuan
01-19
The grandson of the Sui Emperor , after the fall of the dynasty , "renewed his life" for ten years, and eventually became an official in the Tang Dynasty
Sui Dynasty Emperor Yang Zhengdao Tang dynasty Sui Dynasty Yu Culture and Eastern Turkistan
12-27