Thursday is National Pi Day, it's not like pie the desert or the pizza, but pi as in 3.14.
Those number correlate with today's (Thursday) date March 14.
To celebrate the day many restaurants are offering deals!
Blaze Pizza you can get a pie for $3.14 if you have the restaurant's smartphone app. At Cheddars, order one chicken pot pie and get a second free to bake at home. Many grocery stores like Kroger and Whole Foods are selling dessert pies for $3.14.