About National Flashlight Day
National Flashlight Day is marked on December 21st, the longest night of the year.
- Did you know? The flashlight was invented in 1898 by Joshua Lionel Cowen.
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World Play-Doh Day
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Other Observances on December 21st 2025
Winter Solstice
The arrival of the shortest day of the year has been celebrated since the dawn of mankind.
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