Pi Day is the annual celebration of the mathematical constant π (pi). What exactly is π? Pi is the ratio of a circle’s circumference to its diameter, approximated as 3.14159. Pi Day celebrations are held around the world on March 14th. Here’s more info about Pi:
http://time.com/4250116/pi-day-2016/
Pizza Hut is even giving away 3.14 years of pizza if you can be first person to correctly answer one of three math problems!
Of course you may also want to use today to celebrate the other kind of pie, in which case, here are some recipes to get your mouth watering!