This special day celebrates the mathematical constant π, which starts with 3.14. It is unique because the date matches the first three digits of π. People enjoy activities like pie-eating, math games, and learning about circles. The day also honors Albert Einstein, who was born on this day.

• Global Release
• First Release Feb 26, 2022
• Mar 11 → Mar 14 Annually
• https://en.wikipedia.org/wiki/Pi_Day