Datang started to marry Princess Jinyang
In the late autumn of 644 A.D. (the eighteenth year of Zhenguan), Li Mingda, the twelve-year-old princess of Jinyang, was seriously ill, and the imperial doctors of the Imperial Medical Department were helpless.
So, in Chang'an City, the palace gate and the gate of the fang posted Li Shimin's son-in-law's imperial list, perennial mixed in Pingkangfang's poor scholar Chen Hao unveiled the imperial list, on the night of marriage, Chen Hao, a modern person who crossed over, learned that Princess Jinyang was unconscious and dying, it turned out that Li Shimin recruited him as a concubine just to give Princess Jinyang joy!