## Introduction

Pie Day is a celebration of the mathematical constant pi (π), which is approximately equal to 3.14159. Observed on March 14th (3/14), Pi Day is a fun and quirky holiday that has gained popularity in recent years.

## History

The first Pi Day was organized by physicist Larry Shaw at the Exploratorium in San Francisco in 1988. The date was chosen because 3, 1, and 4 are the first three significant digits of pi. Since then, Pi Day has been celebrated by math enthusiasts, educators, and food lovers around the world.

## Celebrations

On Pi Day, people often engage in activities related to pi, such as reciting as many digits of pi as they can, participating in pi-themed contests, and baking or eating pie. Some schools and organizations also organize educational events to raise awareness about the importance of mathematics.

## Examples

One famous Pi Day tradition is the Pi Day Pie Baking Contest, where participants compete to create the most creative and delicious pie using mathematical themes. Another popular event is the Pi Day Fun Run, where participants run or walk a specified distance that relates to pi.

## Case Studies

In 2015, the Massachusetts Institute of Technology (MIT) marked Pi Day by sending out admissions decisions for its incoming class. This unconventional approach garnered attention from the media and prospective students, showcasing how Pi Day can be used to generate buzz and engagement.

## Statistics

A survey conducted in 2019 found that 62% of Americans were aware of Pi Day, with 36% indicating that they had participated in Pi Day activities in the past. The popularity of Pi Day has steadily grown over the years, with more people embracing the holiday as a way to celebrate math and indulge in delicious treats.