Pi Day

Pi Day is an annual celebration of the mathematical constant π. Pi Day is observed on March 14 since 3, 1, and 4 are the first three significant figures... Wikipedia

• Observed by:  United States
• Type:  Mathematical
• Significance:  3, 1, and 4 are the three most significant figures of Π in its decimal representation.
• Celebrations:  Pie eating, pi memorization competitions, discussions about Π
• Date:  March 14
• date:  March 14
• Frequency:  Annual
• First time:  1988
• Related to:  Pi Approximation Day
• Data source:  DuckDuckGo