National Open An Umbrella Indoors Day

National Open An Umbrella Indoors Day

Everyone knows that opening an umbrella indoors can be considered bad luck. Is there any truth to this age-old belief? For those who spend their nights wondering this question, there’s a holiday that will help you find the truth.

Thomas Knibb, a man from Massachusetts, invented the National Open An Umbrella Indoors Day in 2003. Knibb, a man named Thomas Knibb, allegedly wanted to challenge silly superstitions by encouraging people open their umbrellas indoors to observe the (nonexistent) consequences.

This bizarre holiday’s best feature is that anyone can participate. These are the four steps to follow:

Notice: Participants in this holiday take full responsibility for their actions.


Mar 13 2025


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