ABC News has an article on the oldest jokes (or humor) recorded.
I think some might argue that the creation of Adam and Eve shows humor, but that’s not where the story goes.
It has fart jokes and sex and sex as the oldest jokes for X.
One of them is an Exeter Riddle and, yes, I knew that one. It’s one of the more favorite college level ones. But I’m not going to bring it up in a collaborative effort. I don’t want all the bawdy jokes going the rounds.