Pi Day

Summary

Pi Day is an awareness day^[1]. It ranks in the top 7% of awareness_day entities by monthly Wikipedia readership (363 views/month).^[2]

Key Facts

• Pi Day's image is recorded as Larry Shaw, the founder of Pi Day, at the Exploratorium in San Francisco--2007 March 21.jpg^[3].
• Pi Day's instance of is recorded as awareness day^[4].
• Pi Day's founder is recorded as Larry Shaw^[5].
• pi is named after Pi Day^[6].
• Pi Day's Commons category is recorded as Pi Day^[7].
• Pi Day's commemorates is recorded as pi^[8].
• +1988-03-14T00:00:00Z marks the founding of Pi Day^[9].
• Pi Day's Freebase ID is recorded as /m/0681n^[10].
• Pi Day's day in year for periodic occurrence is recorded as March 14^[11].
• Pi Day's official website is recorded as https://www.piday.org/^[12].
• Pi Day's main subject is recorded as pi^[13].
• Pi Day's described at URL is recorded as https://baike.sogou.com/v8482226.htm^[14].
• Pi Day's different from is recorded as Pi Approximation Day^[15].
• Pi Day's hashtag is recorded as piday^[16].
• Pi Day's Quora topic ID is recorded as Pi-Day-1^[17].
• Pi Day's Google Doodle is recorded as 30th-anniversary-of-pi-day^[18].
• Pi Day's Google Doodle is recorded as pi-day-2026^[19].
• Pi Day's X moment ID is recorded as 841559276015493120^[20].
• Pi Day's X moment ID is recorded as 973822814250766336^[21].
• Pi Day's X moment ID is recorded as 1106163041949736960^[22].
• Pi Day's X moment ID is recorded as 1238783486141632512^[23].
• Pi Day's X moment ID is recorded as 1498065412436606976^[24].
• Pi Day's WikiKids ID is recorded as Pi-dag^[25].
• Pi Day's Know Your Meme slug is recorded as pi-day^[26].

Why It Matters

Pi Day ranks in the top 7% of awareness_day entities by monthly Wikipedia readership (363 views/month).^[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[27] It is known by 43 alternative names across languages and contexts.^[28]