Reminds me of this: https://en.wikipedia.org/wiki/Zhemao_hoaxes

> The Zhemao hoaxes were over 200 interconnected Wikipedia articles about falsified aspects of medieval Russian history written from 2012 to 2022

Discussion at the time: https://news.ycombinator.com/item?id=31915937

what about the kid that edited most of the Scottish language wiki pages on a lark (over like 8 years)