The Evil Academic Master Whose History Is a Bit Skewed

Groups cross the country to conquer the country, and conquer the country to cause civil strife. Xia, Shang, Zhou, Qin and Han, Tang, Song, Yuan, Ming and Qing, no matter what, I just want to be your ancestor! Ten time traveler dynasties compete for world domination, and the historical natives are a bit confused. The evil scholar added by the system loudly said to the time traveler: NO! Go back to the future, we have the final say in our world! … PS: In the post-travel era, aborigines VS time travellers, the protagonist is aboriginal plus system.