Pi Day was first celebrated in 1988 at San Francisco's Exploratorium, a museum of science and technology that encourages visitors to be hands-on.

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

Pi belongs to a huge mathematical group called irrational numbers, which go on forever and cannot be written as fractions.

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

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous ...

Who will wear No. 7 for the Indianapolis Colts? Charvarius Ward was No. 7 with the 49ers but Matt Gay has worn that number ...

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A lottery player in Union County won $20,000 in the Thursday, March 6, Red Hot 7's scratch-off game. The winning ticket was ...