In the Tang Dynasty, the Identity of the Time Traveler Was Exposed

The 4th year of Zhenguan in the Tang Dynasty The Emperor Li Shimin of the Tang Dynasty, who had just conquered the Turks and unified the world, was ambitious and prepared to flex his muscles and create a great cause for prosperity! However, on this day, a person was suddenly picked up in Lishan Camp. The strange thing is that this person seems to be from the future? In the backpack this man carries, there is a history textbook... Li Shimin was overjoyed. "Haha, after I unified the whole world, the rule of Zhenguan that I created has actually attracted the envy of people at home and abroad in ancient and modern times!" "Tian Khan? What a good name, I like it!" "I didn't expect that I have accomplished such great deeds. Who dares to say that my position is unfair?" When Li Shimin was imagining his future great achievements, he suddenly noticed something was wrong. "Huh? I still have nineteen years to live?" "Huh?? My prince has rebelled!" "Huh??? My world was finally taken away by my concubine!!" "How come my prosperous Tang Dynasty was only over 200 years old? This must be a demon book that confuses the public with its demonic words!" Li Shimin never wants to believe all this! However, things happened one after another, It all proves that all of this may be true! Is he really from the future, and everything recorded in this demon book is true? No, I can't tolerate this happening! As a result, Li Shimin, who had been cheating in the first half of his life, became even more powerful after having Lin Heng... He turned into an emperor who has been cheating all his life!