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  2. Pi Day - Wikipedia

    en.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.

  3. These $3.14 Pi Day Deals Are Too Sweet to Pass Up - AOL

    www.aol.com/lifestyle/pi-day-deals-too-sweet...

    Pi Day 2023, which falls on Tuesday, March 14, is an annual holiday devoted to celebrating the one and only true magic number: π. Sure, pi is 3.14, a mathematical constant, never-ending, the ...

  4. It's Pi Day! Your guide to deals and snacks on math's ... - AOL

    www.aol.com/pi-day-guide-deals-snacks-113023869.html

    2024 Pi Day pizza deals, 'free pizza' for Pi Day Blaze Pizza : Buy one 11" Pizza, get one for $3.14. Digiorno : According to an email to The Courier Journal, Digiorno is introducing its Pizza ...

  5. What Is Pi Day? Here’s How the Mathematical Symbol Turned ...

    www.aol.com/pi-day-mathematical-symbol-turned...

    If you couldn't already tell by the number this mathematical symbol represents, Pi Day is on Thursday, March 14, 2024. That's because the date is written as 3/14 (at least in the United States ...

  6. National Pie Day - Wikipedia

    en.wikipedia.org/wiki/National_Pie_Day

    National Pie Day. National Pie Day is a celebration of pies that occurs annually in the United States on January 23. It started in the mid-1970s by Boulder, Colorado teacher Charlie Papazian [1] after he declared his own birthday, January 23, to be National Pie Day. [2] Since 1986, National Pie Day is sponsored by the American Pie Council. [3]

  7. What's Pi Day all about? Math, science, pies and more - AOL

    www.aol.com/news/whats-pi-day-math-science...

    Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many ...

  8. Mole Day - Wikipedia

    en.wikipedia.org/wiki/Mole_Day

    23 October 2025. (2025-10-23) Frequency. Annual. Mole Day is an unofficial holiday celebrated among chemists, chemistry students, and chemistry enthusiasts on October 23 between 6:02 a.m. and 6:02 p.m., [1][2][3][4] making the date 6:02 10/23 in either MDY or YMD date formats. The time and date are derived from the Avogadro constant, which is ...

  9. 35 Funny Pi Day Memes to Enjoy (Whether You're a Math ... - AOL

    www.aol.com/lifestyle/35-funny-pi-day-memes...

    Celebrate Pi Day (3.14) this March 14 with some extra laughs.