We all know Li Shimin of Tang Taizong, but during Li Yuan's reign, Li Shimin was not the crown prince of the dynasty, but Li Yuan's eldest son Li Jiancheng. Because when the world was unified, Li Yuan was followed by Li Jiancheng, and Li Shimin alone led the soldiers to occupy a place after a bloody battle. At the beginning of the Tang Dynasty, Tang Gaozu Li Yuan made Li Jiancheng crown prince, but at that time, the Tang Dynasty, which was superficially unified in society, had already formed two forces inside the Prince's Mansion and the Qin Dynasty's Palace.
The crown prince Li Jiancheng was narrow-minded and worried that Li Shimin would be highly respected, and a group of tiger generals behind Li Shimin had always made Li Jiancheng jealous. Therefore, Li Jiancheng wanted to be strong first and find ways to weaken the forces behind Li Shimin. This kind of open knife and dark arrow Li Shimin naturally knows, the two are like this, the surface is calm and calm, but behind the scenes, there are turbulent open and dark struggles. Unexpectedly, one day, Li Yuan decided to alleviate the contradiction between the two, and he invited several brothers into the palace. However, Li Shimin and other brothers have been feuding for a long time, and finally he found the opportunity to break out on this day, which is the famous "Xuanwumen Change" in history.
The "change of Xuanwu Gate" was planned by Li Shimin for a long time, and he led his elite generals to carefully go through the inspection of the palace gate and successfully netted the crown prince Li Jiancheng and Li Yuanji, the king of Qi. Li Shimin, with years of resentment, personally shot his eldest brother Li Jiancheng, and Wei Chigong also killed Li Yuanji, the King of Qi. After taking Li Shimin to get rid of all his competitors, he entered the palace and forced Tang Gaozu Li Yuan to become Emperor Taizong of Tang, and Li Yuan became the abdicated Emperor Taishang in the past. Why didn't Li Shimin wait for Li Yuan to die before becoming emperor? That's because Li Shimin got rid of his competitors, if he didn't force Li Yuan to retreat at this time, Li Shimin was afraid of the long night and dreamed a lot, and he didn't know when he would jump out of the second Li Jiancheng and the third Li Jiancheng. Therefore, Li Shimin did not do two things at a time, and since he launched the "Xuanwumen Change", he would completely and thoroughly eliminate the troubles.
Secondly, Li Yuan also voluntarily abdicated after the "change of Xuanwumen". After all, Li Yuan was the emperor of the Tang Dynasty at that time and held the supreme power, if Li Yuan did not want to abdicate to Li Shimin at that time, but to taste courage, it was not impossible to suppress Li Shimin. But if he really did this, he would have been seriously injured, coupled with the turmoil in the imperial court, it was not excluded that the tang Dynasty's rights would fall into the hands of others, and if this was the case, it would be better to put the supreme power in the hands of the Li family.
The title of brother-in-law seizing the throne, once left behind, was left behind for thousands of years, but despite this, Li Shimin still faced the shame of being disgraced by posterity and became this Tang Taizong. From the perspective of history, we can know that Li Shimin is a very ambitious person, but also thoughtful, courageous and strategic. Otherwise, how could there have been a tit-for-tat situation between the Prince's Mansion and the Qin Dynasty's Palace before? During the reign of Tang Taizu, he also revised the history books many times in an attempt to erase the stain of his life.