National Days
National observances and celebrations
Explore all 88 national days and observances with full details including history, fun facts, and ideas for how to celebrate. Each entry includes upcoming dates, related occasions, and frequently asked questions to help you make the most of every national celebration throughout the year.
National Dictionary Day
Look up a word on National Dictionary Day. October 16 marks the birthday of Noah Webster (born 1758), the American lexicographer whose…
Make a Difference Day
Make a Difference Day is a U.S. volunteering observance on the fourth Saturday of October. In 2026 that is Saturday, October 24. USA…
National Art Day
National Art Day is an informal observance marked on October 25. In 2026 it falls on Sunday, October 25. A single official U.S. founder is…
National Pumpkin Day
National Pumpkin Day is an informal U.S. observance marked on October 26. In 2026 it falls on Monday, October 26. It celebrates pumpkins in…
National Mentorship Day
National Mentorship Day, also widely called National Mentoring Day, is an informal observance on October 27. In 2026 it falls on Tuesday…
National First Responders Day
National First Responders Day is a U.S. observance marked on October 28. In 2026 it falls on Wednesday, October 28. It honors police…
National Internet Day
National Internet Day is an informal observance marked on October 29. In 2026 it falls on Thursday, October 29. The date is tied to the…
National Candy Corn Day
National Candy Corn Day is an informal U.S. observance marked on October 30. In 2026 it falls on Friday, October 30. It celebrates candy…
National Native American Heritage Month
National Native American Heritage Month is observed throughout November. In 2026 that means the full month of November 2026 - not a one-day…
National Authors Day
Open a book on National Authors Day and thank the people who wrote it. This November 1 observance grew from an Illinois teacher’s idea in…
National STEM Day
National STEM Day (often branded National S.T.E.M./S.T.E.A.M. Day) is an informal U.S. education observance on November 8. In 2026 that is…
National Entrepreneurship Day
National Entrepreneurship Day is an informal U.S. observance listed on November 15. In 2026 that is Sunday, November 15. Calendar sources…
National Take a Hike Day
National Take a Hike Day is an informal U.S. outdoors observance on November 17. In 2026 that is Tuesday, November 17. It is often used…
National Family Week
National Family Week is observed in the United States during the week that includes Thanksgiving. In 2026 Thanksgiving falls on Thursday…
National Cupcake Day
National Cupcake Day is an informal U.S. food observance marked on December 15. In 2026 that is Tuesday, December 15. It celebrates…
National Bicarbonate of Soda Day
National Baking Soda Day - also listed as National Bicarbonate of Soda Day - is an informal observance marked on December 30. In 2026 that…