Oct 31. Celebrated in tandem with Halloween, National Knock-Knock Day answers the age-old question “Who’s there?” A day for kids of all ages to try out their best knock-knock jokes. Example:
Knock Knock
Who’s there?
Weirdo
Weirdo who?
Weirdo you keep all your Halloween candy? I’m starving!
Image courtesy of pixabay.com user “2204574,” CC0.
