News Digging > Lifestyle > When was the first Pi Day celebrated? - WTOP News
When was the first Pi Day celebrated? - WTOP News
When was the first Pi Day celebrated? - WTOP News,March 14 is celebrated by mathematicians because the numbers “3-14” represent the ratio of a circumference of a circle to its diameter, which is approximately 3.

When was the first Pi Day celebrated? - WTOP News

March 14 is celebrated by mathematicians because the numbers “3-14” represent the ratio of a circumference of a circle to its diameter, which is approximately 3.