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International Pi Day (3/14)

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Mar 14, 202644%Mar 14, 2027
History & Background

About this event

Pi Day on March 14 (3/14 in month/day format) celebrates the mathematical constant π (3.14159...), honoring human curiosity, science, mathematics, and the joy of eating delicious pies.

Fascinating Trivia

Interesting facts about International Pi Day (3/14)

01

March 14th is also the birthday of physicist Albert Einstein (born 1879) and the memorial anniversary of Stephen Hawking (passed 2018).

02

Pi (π) has been calculated to over 100 trillion digits by modern supercomputers with no repeating pattern.

03

Physicist Larry Shaw founded Pi Day in 1988 at the San Francisco Exploratorium with staff marching around circular spaces eating fruit pies.

04

UNESCO officially proclaimed March 14 as the International Day of Mathematics in 2019.

05

The official world record for memorizing Pi digits is held by Suresh Kumar Sharma, who recited 70,030 digits from memory over 17 hours.

Frequently Asked Questions

Common Questions & Answers

Because 3/14 matches the first three significant digits of Pi (3.14).

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