What is Pi Day? | Interesting Facts of Pi (π)

Pi Day is a holiday celebrated annually on March 14th (3/14) to honor the mathematical constant pi (π), because the first three digits of pi are 3.14. Pi is the ratio of the circumference of a circle to its diameter.

Read more details about Pi (π) at https://en.wikipedia.org/wiki/Pi ... https://www.youtube.com/watch?v=OjLSgwdmxYg