Caffeine

I don't really know if any of this is accurate, but I decided to post it anyhow.

Dave TV in Britain has gathered what they believe is the oldest written joke; nope I'm not kidding you on this one and this is it.

Something which has never occurred since time immemorial: a young woman did not fart in her husband's lap (1900 BC – 1600 BC Sumerian Proverb Collection 1.12-1.13)

The list comprises the top 10 oldest recorded jokes and while some may not be considered too funny today may just have been knee slappers way back when.

You can find the list at World's ten oldest jokes.