What was the first knock knock joke?

It was back in caveman days, when one of them knocked another over the head with a club. "Knock knock. " "Who's there?" "Grog.

" "Grog who? " "Grog crack skull, take cave and woman! You had to be there.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.