pi day

What is Pi Day and why do we celebrate the holiday?
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 mates math with pizza, dessert
Indiana once tried to define pi as 3.2; the bill almost passed
Couples to wed at Philly pizza shop for Pi Day
Free pie for Pi day
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Pi Day mates math with pizza, dessert
Indiana once tried to define pi as 3.2; the bill almost passed
Couples to wed at Philly pizza shop for Pi Day
Free pie for Pi day