Pi Day deals: Pizzas and pies &pizza: If you're in Washington, D.C., Philadelphia or Baltimore, you can get married at &pizza on Pi Day, when the shops are turned into a Vegas-style wedding chapels.

Pi Day was first celebrated in 1988 by physicist Larry Shaw at the Exploratorium in San Francisco, and since then, it's increased in popularity each year. 2015 was particularly celebrated, since ...

March 14- National Pi Day (3.14): You might not know all of the numbers in Pi, but you can sure eat a whole one to yourself! AP Images Math aficionados around the world celebrate March 14 (3/14 ...

Rejoice, for it's everyone's favorite sweet, nerdy holiday, Pi Day (3/14, 3.14, get it?). We aren't usually in the business of celebrating estoteric food holidays like National Fettucini Alfredo Day ...

Pi Pizza: Enjoy any pizza on their menu for just $8 during lunch, from 11 a.m. - 3 p.m. As a bonus, you can enjoy this deal any day of the week. Urban Bricks Pizza: One pizza for $3.14 ...