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  2. March 14th Holidays - National Today

    nationaltoday.com/march-14-holidays

    We have 31 holidays listed for March 14. March 14th is the seventy-third day (seventy-fourth in leap years) in the Gregorian calendar; it marks the anniversary of the establishment of the Pelican Island National Wildlife Refuge and the first successful usage of penicillin.

  3. What is Pi Day? The national holiday and its history, explained

    www.usatoday.com/story/news/nation/2024/03/13/why-pi-day...

    National Pi Day is held each year on March 14. It honors 3.14 the ratio of the circumference of a circle. You can also get deals on food too.

  4. Pi Day - Wikipedia

    en.m.wikipedia.org/wiki/Pi_Day

    Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of π, and was first celebrated in the United States. [2][3] It was founded in 1988 by Larry Shaw, an employee of a science museum in San Francisco, the Exploratorium.

  5. What is Pi Day? Things to know about the holiday celebrating ...

    www.cbsnews.com/news/what-is-pi-day-holiday-what-to-know

    National Pi Day is recognized on March 14 in the U.S. and around the world. Here's what to know about the quirky holiday, and how to celebrate.

  6. What’s Pi Day all about? Math, science, pies and more

    apnews.com/article/pi-day-celebration-math-infinite-number...

    College students, rocket scientists and math enthusiasts around the world are celebrating Pi Day. The holiday is on Thursday, March 14 since 3/14 correlates to the first three digits of the infinite number.

  7. What is Pi Day and why do we celebrate the holiday?

    abcnews.go.com/US/pi-day-celebrate-holiday/story?id=83390087

    Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign pi.

  8. What to know about National Pi Day 2024 – NBC Connecticut

    www.nbcconnecticut.com/news/national-international/...

    Pi Day is celebrated annually on March 14 because the first three numbers of the mathematical constant are 3, 1 and 4. By Staff • Published March 11, 2024 • Updated on March 12, 2024 at 4:47 pm.

  9. What Is Pi Day? - HISTORY

    www.history.com/news/where-did-pi-day-come-from

    March 14 marks Pi Day, an annual celebration of the mathematical sign pi. Founded in 1988 by physicist Larry Shaw, March 14 was selected because the numerical date (3.14) represents the first...

  10. PI DAY - March 14, 2025 - National Today

    nationaltoday.com/national-pi-day

    The beautiful constant pi (π) is celebrated by mathematicians around the world on National Pi Day on March 14. History of Pi Day. To learn about pi, we need to go back a few thousand years and learn about this elusive number.

  11. 10 Ways to Celebrate Pi Day with NASA on March 14

    science.nasa.gov/learning-resources/10-ways-to-celebrate...

    On March 14, NASA will join people across the U.S. as they celebrate an icon of nerd culture: the number pi. So well known and beloved is pi, also written π or 3.14, that it has a national holiday named in its honor. And it’s not just for mathematicians and rocket scientists.