Are you a huge Harry Potter? You think you know EVERYTHING about this incredible and amazing saga us millennials grew up reading? We made a deep research for a long time, and decided this is the ultimate list of facts every Potterhead must know to call themselves a fan. You can even have a re-read of the entire saga and then check this article, so you can remember some things you probably missed the first time. So gather up by yourself or with some friends, and enjoy the beauty of this magical and amazing history. And remember, I solemnly swear that I up to no good.