Pi Day 2021: Date, History, Purpose
The day of 14th March will be observed as Pi Day. it is an annual celebration of mathematical constant (Pi) and has an approximate value of Pi is 3.14.
- In 1988, Physicist Larry Shaw first recognised Pi Day.
- In 2009, the United States House of Representatives decided to observe the day of March 14th as Pi Day.
- After that, in 2019, UNESCO designated Pi Day as the ‘International Day of Mathematics’ during its general conference.