Thanks for the responses.
Here is my favorite (which I told just last night at a Toastmasters meeting):

Reputed to be The world's first pun, this event occurred back in the Middle Ages; during the time of Kings and Castles.
It seems there was a King, who had in his court a Jester who would pun on every subject (except, of course, the King because he was not a subject).
This highly irritated the king and eventually he had the Jester sentenced to be hanged.
The day arrived when the Jester was standing at the Gallows; the rope around his neck.
Suddenly a Royal page rode up to interrupt the execution. The King had a change of heart (likely succumbed to nagging from the Queen) and offered a pardon. The Jester's life would be spared if he promised to NEVER PUN AGAIN.
Faced with this tough choice, the Jester looked at the rope around his neck then looked at the page and said, "Well, no noose is good noose" and died happily.

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I will wait for the applause and laughter to diminish before saying, "Thank you"