Who knew? Well, of course things like quotation marks and other such punctuations must have a history, but TPP never thought about it before. Here's a link to a brief history of "quotation marks", which at one point were double commas, a concept TPP really likes,, probably because he doesn't type so good. It was very interesting and naturally the history of such marks starts at the library in Alexandria. The article was excerpted from a book titled Shady Characters, which might be worth a read if only to find out how poorly us poor bloggers use punctuation. If you like such things you find more at Slate's Lexicon Valley, playfully clever place for lovers of language.