Geography is hard. The world is just so big and so full of places! It can be hard to keep track of them all. Americans in particular are known for being underdeveloped in the area of geographic knowledge, due to our U.S.A.-centric outlooks and educational system.
But at least most of us have enough common sense to know one thing: if you're dumb about geography, don't advertise it online. And certainly don't try to make other people look dumb and wrong, when the one who's dumb and wrong is you. The following people learned this lesson the hard way.