INFOGRAPHIC: Pi Day
100-PO017 (R 3/2017)
Fun Facts About Pi Day
- Pi Day is celebrated March 14. The date, abbreviated 3.14, is also the first three digits of pi.
- Pi is a mathematical ratio of a circle's circumference to its diameter. Its decimal places continue infinitely.
- Albert Einstein was born on Pi Day. His birthdate is March 14, 1879.
- July 22nd is "Pi Approximation Day." The fraction 22/7 is equal to 3.14285714.
- In 2009, congress officially declared March 14 Pi Day in recognition of the importance to math, science and education.