What is Pi Day?

Pi Day, celebrated on March 14th, honors the mathematical constant Pi, which starts with 3.14. The day was first celebrated by the San Francisco Exploratorium in 1988, thanks to physicist Larry Shaw. In 2009, the US Congress officially recognized it. Celebrations include eating pie, memorizing Pi's digits, and special recipes from businesses. A notable event occurred in 2015 when the date and time matched the first 10 digits of Pi. Pi Day is a global celebration for math enthusiasts.

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