How much do you know offhand about World War II? If you’re an American, you probably know a lot. After all, everything from our education system to our popular culture hammers home the key facts of The War To End All Wars For Real This Time. And congratulations: a lot of what you know is factually accurate (e.g. “Hitler was bad”). A lot of what you know is worth knowing (seriously, Hitler was VERY BAD). But have you ever wondered why certain historical specifics get so much emphasis, while other facts get left by the wayside? Or why the name “Hitler” pops up in modern debates about everything from immigration to environmentalism to upsetting blog posts?