I hope today is as easy as pi for you… Happy π Day - http://t.co/HjIL2XJPCO
March 14, 2013
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Pi Day - Wikipedia, the free encyclopedia
Pi Day is an annual celebration commemorating the mathematical constant π (pi). Pi Day is observed on March 14 (or 3/14 in month/day date format), since 3, 1 and 4 are the three most significant digits of π in the decimal form. In 2009, the United States House of Representatives supported the designation of Pi Day.