This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!

    The Reason Behind Every Drunken Brawl On March 17th

    Nothing evokes stabby feelings like having your proud heritage equated with a quarter pounder or a chain-smoking cartoon character. Also, naming a drink after a terrorist device is not cool. Now you know!