Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of π.
There's a reason we call them "geeks". It's due to their weird senses of humor and social awkwardness. Proof of this is the celebration of "PI Day" on March 14 which equates to 314, or the first three numbers of PI. Haha, hilarious, right? Read more after the break.