10 Fun facts about pi day

01

Pi Day is celebrated on March 14th (3/14) because 3.14 are the first three digits of pi

02

Pi is the ratio of the circumference of a circle to its diameter. This value is a mathematical constant that has been calculated to over one trillion digits beyond its decimal point.

03

Pi Day was first officially recognized in 2009 by the United States House of Representatives.

04

In 2015, Pi Day was especially exciting because the date represented the first five digits of pi: 3.1415.

05

Pi has been studied for thousands of years, with evidence of its use in ancient Babylon, Egypt, and Greece.

06

Pi is an irrational number, which means that its decimal representation goes on forever without repeating.

07

Albert Einstein was born on Pi Day in 1879.

08

In some countries, such as the United Kingdom and Australia, Pi Approximation Day is celebrated on July 22nd (22/7) because 22/7 is a common approximation of pi.

09

Pi has many interesting properties, such as being a transcendental number, which means that it is not the solution to any non-zero polynomial equation with rational coefficients.

10

Pi Day celebrations often involve eating pie, reciting digits of pi, and participating in math-related activities and competitions.