We here at Memebase feel that history memes are a special breed. I usually have one of two reactions to them. A knowing smirk, chuckle, or nod at a meme dealing with history that I'm well-versed in. Shock, horror, and an hour-long voracious time-traveling trip through the depths of Wikipedia. Generally speaking, I mostly react in the former manner. It's good to feel smart. But every now and then a meme will introduce me to an era, event, or cultural tidbit that just leaves me feeling ill, but a…