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Pi Day is celebrated on March 14th because the first three digits of pi are 3.14 

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Pi Day was first celebrated in 1988 at the San Francisco Exploratorium, and it has since become a global phenomenon 

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Pi is an irrational number, which means it goes on forever without repeating. To date, pi has been calculated to over 31 trillion digits 

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There is no end to the number of digits of pi, and there is no pattern to the digits 

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Mathematicians and computer scientists continue to work on calculating more and more digits of pi 

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In 2019, a Google employee named Emma Haruka Iwao set a new world record by calculating pi to 31.4 trillion digits 

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In 2015, the Massachusetts Institute of Technology (MIT) sent out its admission decisions on Pi Day 

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