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.
Here's where you can get Pi Day deals
Philly's MANNA puts the pie in Pi Day
Pi Day mates math with pizza, dessert
Indiana once tried to define pi as 3.2; the bill almost passed
Happy 3.14! Delicious Pi Day discounts and freebies
'Pi day' brings pizza shop weddings in Philly
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Couples to wed at Philly pizza shop for Pi Day
More Stories
Here's where you can get Pi Day deals
Philly's MANNA puts the pie in Pi Day
Pi Day mates math with pizza, dessert
Indiana once tried to define pi as 3.2; the bill almost passed
Happy 3.14! Delicious Pi Day discounts and freebies
'Pi day' brings pizza shop weddings in Philly
Couples to wed at Philly pizza shop for Pi Day