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Tuesday, March 14, 2017

Pi Day - π π

Pi Day is an annual celebration of the mathematical constant π (pi)

Pi Day is observed on March 14 (3/14 in the month/day date format) since 3, 1, and 4 are the first three significant digits of π

In 2009, the United States House of Representatives supported the designation of Pi Day.

Pi Approximation Day is observed on July 22 (22/7 in the day/month date format), since the fraction 227 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes.
π  π   π π  π   π  π  π   π π  π   π  

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