Celebrate Pi Approximation Day on 22 July 2025 with engaging math facts pie themed activities and the story behind 22/7 an ...

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 Day is beloved by the scientific community worldwide as a way to celebrate the mathematical constant and engage in fun pie-related activities. Here's what to know about March 14.

Pi Day itself dates to 1988, when physicist Larry Shaw began celebrations at the Exploratorium science museum in San Francisco. The holiday didn’t really gain national recognition though until ...

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 2017 is about protests, too More than 1,200 workers in Silicon Valley are expected to rally at a Tech Stands Up event in Palo Alto, Calif., to support "values that drive Silicon Valley." ...

On National Pi Day, which is March 14, members of 7-Eleven and Speedway loyalty programs can get any large pizza, Thursday, March 14, including the Extreme Meat Pizza, for just $3.14.

What is Pi Day, and when was it first celebrated? 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 Approximation Day occurs every July 22nd. It celebrates pi, a key mathematical constant. Pi relates a circle's ...

The holiday has gotten such recognition that in March 2009, the U.S. House of Representatives designated March 14 as Pi Day. MORE: Indiana once tried to define Pi as 3.2. The bill almost passed.