While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...

Pi, which is the ratio of a circle's circumference to its diameter, is celebrated with its own holiday on March 14.

After a foray into the art of pie-making, Abbey enjoys the opportunity to share lessons with others on Pi Day.

Pi Day, celebrated on March 14 each year, honors the mathematical constant π with plenty of deals on sweet and savory pies, ...

From there a day of celebrating science and mathematics was born: Pi Day. More than three decades on and the day is ...

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, ...

It's Pi Day! While the celebration is focused on the mathematical symbol, it also acts as the perfect excuse to eat a delicious, savory pizza or sweet, mouthwatering pie. While fun to focus on the ...

Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

Happy Pi Day! The special day is celebrated around the world on March 14 in honor of the Greek letter Pi, which is also the ...

Celebrate Pi Day on March 14 with math enthusiasts worldwide, honoring the infinite and practical uses of the mathematical ...

Several national retailers are offering Pi Day discounts and special deals on March 14 to celebrate the mathematical holiday.