About National Fossil Day
The National Park Service and the American Geosciences Institute host the annual National Fossil Day celebration during Earth Science Week in October.
National Fossil Day is a celebration organized to promote public awareness and stewardship of fossils, as well as to foster a greater appreciation of their scientific and educational value.
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National Mole Day
October 23, denoted 10/23 in the US, is recognized by some as Mole Day. It is an informal holiday in honor of the unit among chemists.
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National STEM Day 🔬
National STEM Day celebrates science, technology, engineering, and medicine education within the United States.
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Nobel Prize Day
On 27 November 1895, Alfred Nobel signed his will, giving the largest share of his fortune to a series of prizes in Physics, Chemistry, Physiology or Medicine, Literature and Peace – the Nobel Prizes.
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Dewey Decimal System Day
File this holiday under library related observances. Top shelf just after ISBN Number Day.
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Other Observances on October 14th 2026
International Top Spinning Day
Originated by the Spinning Top and Yo-Yo Museum, this is an annual celebration of this timeless child's toy and scientific device!
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