About National Open an Umbrella Indoors Day
Open An Umbrella Indoors Day was started in 2003 by Thomas Edward Knibb. Knibb wanted a day to defy superstitions and tempting bad luck by opening an umbrella indoors was an appropriate test of his day.
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National Knock-Knock Jokes Day
As if there isn't enough Knock-Knock going on at Halloween already, it's also the day to whip out a good Knock-Knock joke.
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Find out the dates, history and traditions of National Men Make Dinner Day (Must Cook. No BBQ Allowed! :)
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Other Observances on March 13th 2026
Spread Goodness Day
Since its inception in 2018, Spread Goodness Day has set out to change the world, one act of goodness at a time.
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National Elephant Day 🐘
In 1998, Thailand declared March 13 as a day dedicated to the conservation of its elephants.
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