While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...
Pi Day is celebrated annually on March 14, because its numerical date aligns with the first three digits of the mathematical constant π, 3.14. And in some places, particularly Massachusetts colleges, ...
Pie day is March 14 or 3/14, which are also the same three digits in the mathematical constant Pi or 3.14159265359, or the ...
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