Hi there, my name is John Green, this is Crash Course World History, and today we're going to talk about the Dark Ages, possibly the most egregious Eurocentrism in all of history, which is really saying something. We're Europe! The Prime Meridian runs through us, we're in the middle of every map, and we get to be a continent, even though we're not a continent. But let's begin today with a pop quiz. What was the best year of your life, and what was the worst year? Mr. Green! Mr. Green!