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Every year, like clockwork, Pi Day falls annually on March 14th. Not to be confused with PIE day, which falls naturally on January 23rd, it celebrates a different, more edible type of pie; this one is more numerically based.
Pi (π) is naturally celebrated to honor the mathematical constant that has infinite numbers associated with it. The most well-known is 3.14159 and counting, thanks to the song “The Pi Song” by AsapScience on YouTube, which can help people learn the known digits of this infinite constant. While it is helpful to know these numbers for something like a higher mathematics class, whether in High School or college, maybe university, it doesn’t really stick with some people after a while.
It’s not just Pi Day that falls on March 14th; Nobel Prize-winning Theoretical Physicist Albert Einstein was born on March 14th. With the correlations, people have considered Einstein to be a “Pi Day” baby.
Pi Day was not specifically “founded” by anyone. It was actually identified and refined over 4,000 years. The most well-known approximation dates back to 2000-1600 BCE within both Babylon (3.125) and Egypt (3.16). To this day, the Greek letter π is used to represent the ratio. And, it first started being used by William Jones, who was a Welsh Mathematician, back in 1706. The symbol later gained popularity through Leonhard Euler in 1737.
Facts about Pi Day:
- Started by Physicist Larry Shaw at the Exploratorium (apparently)
- Is a celebration of mathematics
- Should be officially celebrated at 1:59 PM (3.14159)
- Back in 2009, Congress recognized National Pi Day to encourage interest in Mathematics and Science
- Rajveer Meena currently holds a Guinness World Record for the most pi places memorized, reciting 70,000 digits back in 2015
- In 2021, a computer calculated π to over 27 trillion decimal places. Even though only about 40 are needed for high-precision scientific calculations.
Thanks to the beginning three numbers of the Pi constant, March 14th will forever be known as Pi Day. And, let’s not forget, Albert Einstein’s birthday.
