Geek Holiday Series

History of Pi Day: 3.14

The science, math, history, and music of the holiday

Bill Petro
ILLUMINATION
Published in
3 min readMar 14, 2023

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Pi
Pi. Image: Wiktionary

This holiday is often overlooked by those who do not speak Greek or those who do not speak Geek… but for the science major, this is a special celebration. Though it is an irregular constant number, regularly and annually on March 14, or 3/14, or 3.14 — we have the first three digits of “Pi.” If one wanted to be precise, and why not, it would be at 15:92 o’clock, or 4:32 pm… and 65.35 seconds, or slightly after 4:33 pm. You get the idea.

Origin of Pi Day

The origin of this geek holiday has been traced to a celebration led by Larry Shaw at the San Francisco Exploratorium in 1988, where he was a physicist. No less than the U.S. House of Representatives boldly stepped out and passed a non-binding resolution recognizing March 14 as Pi Day in 2009. Your tax dollars at work.

Food

Pi Day is gaining traction with purveyors of the circular food.

Image: Pi Bar

In my neighborhood, there is a shop called 3.14 Sweet and Savory Pi Bar. They serve, ironically, sweet and savory pies…

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Bill Petro
ILLUMINATION

Writer, historian, technologist. Former Silicon Valley tech exec. Author of fascinating articles on history, tech, pop culture, & travel. https://billpetro.com