October 31, 2021 - HALLOWEEN - NATIONAL KNOCK KNOCK JOKE DAY – NATIONAL MAGIC DAY – NATIONAL CARAMEL APPLE DAY – GIRL SCOUT FOUNDER’S DAY – NATIONAL DOORBELL DAY By Doug October 30, 2021
NATIONAL KNOCK KNOCK JOKE DAY - October 31 Laugh out loud on National Knock Knock Joke Day! October 31st encourages telling a few funny knock knock jokes while going door to door. By National Day Calendar June 5, 2014
