314 -

When reflected in a mirror, the numbers 3.14 look remarkably like the word "PIE."

314 is the telephone area code for St. Louis, Missouri, leading residents to celebrate "314 Day" as a point of civic pride. When reflected in a mirror, the numbers 3

In 1988, physicist Larry Shaw organized the first Pi Day celebration at the San Francisco Exploratorium. Since then, the number 314 has transitioned from a dry mathematical constant to a cultural phenomenon. In 2009, the U.S. House of Representatives officially recognized Pi Day, encouraging schools to use the date to increase interest in math and science. It has become a day of pun-filled celebrations, usually involving the eating of fruit pies and "Pi-recitation" contests. Beyond the Circle While math is its primary home, 314 appears elsewhere: Since then, the number 314 has transitioned from