I Traveled Through Time and Became the Ancestor of the Whole World

When Wang Hong woke up, he found that he had traveled through time to a world composed of descendants of time-travelers. And he was actually in the same era as their ancestors 500 years ago. Not only that, Wang Hong also obtained a mysterious office system and entered the most mysterious Yushen Religion in the world. "Wait a minute, how do you understand the history of your ancestors so well?" Asked a great historian. "What, isn't this common sense?" Wang Hong scratched his head. "You, you, you, how do you memorize pi to more than a hundred decimal places?" A mathematician looked shocked. "Ah, isn't this something that elementary school students can memorize?" Wang Hong looked confused. ........... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.