Pi day celebrates the well known mathematical constant - Pi. It is celebrated on 14th March as it resembles the date 3.14 (In American terms), and the official celebration begins at 1:59PM to make an appropriate 3.14159!
Here are 3 facts about Pi:
1. Pi is the most recognised mathematical constant in the world. Scholars often consider Pi the most important and intriguing number in all of mathematics.
2. In the Star Trek episode “Wolf in the Fold,” Spock foils the evil computer by commanding it to “compute to last digit the value of Pi".
3. Albert Einstein was born on Pi day in 1879!