Pi Day (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pi Day" in English language version.

refsWebsite

Global rank English rank

12web.archive.org

1^st place

4mitadmissions.org

low place

3cnn.com

28^th place

26^th place

2theguardian.com

12^th place

11^th place

2doi.org

2^nd place

2doodles.google

low place

2forbes.com

54^th place

48^th place

2youtube.com

9^th place

13^th place

1sverigesradio.se

1,180^th place

2,079^th place

1loc.gov

70^th place

63^rd place

1unesco.org

104^th place

199^th place

1ams.org

451^st place

277^th place

1sfgate.com

166^th place

121^st place

1abc.net.au

139^th place

108^th place

1apollotutoring.com

low place

1exploratorium.edu

low place

9,112^th place

1cnet.com

272^nd place

225^th place

1popsci.com

2,941^st place

2,021^st place

1umd.edu

1,747^th place

1,277^th place

1businessinsider.com

140^th place

115^th place

1probability.ca

low place

1semanticscholar.org

11^th place

8^th place

1apnews.com

129^th place

89^th place

1nbcdfw.com

6,336^th place

3,544^th place

1sch.uk

3,851^st place

2,314^th place

1nbcnews.com

137^th place

101^st place

1visitprinceton.org

low place

1tomrocksmaths.com

low place

1wgsbn-iau.org

low place

8,968^th place

1thinkfinity.org

low place

1lamresearch.com

low place

1independent.co.uk

36^th place

33^rd place

1ghostarchive.org

32^nd place

21^st place

1nationalgeographic.com

344^th place

296^th place

1bmj.com

1,226^th place

1,421^st place

1scientificamerican.com

896^th place

674^th place

1geocaching.com

low place

1timeanddate.com

1,373^rd place

1,090^th place

abc.net.au (Global: 139^th place; English: 108^th place)

Borwein, Jonathan (March 10, 2011). "The infinite appeal of pi". Australian Broadcasting Corporation. Retrieved March 13, 2011.

ams.org (Global: 451^st place; English: 277^th place)

Rousseau, Christiane (September 1, 2019). "International Day of Mathematics" (PDF). Notices of the American Mathematical Society. 66 (8): 1. doi:10.1090/noti1928.

apnews.com (Global: 129^th place; English: 89^th place)

Anderson, Curt (March 14, 2024). "What's Pi Day all about? Math, science, pies and more". Associated Press. Archived from the original on March 14, 2024. Retrieved March 14, 2025.

apollotutoring.com (Global: low place; English: low place)

Apollo, Adrian (March 10, 2007). "A place where learning pi is a piece of cake" (PDF). The Fresno Bee.

bmj.com (Global: 1,226^th place; English: 1,421^st place)

blogs.bmj.com

BMJ (June 22, 2018). "Jeffrey Aronson: When I use a word ... The Days of Pi". The BMJ. Retrieved May 2, 2023.

businessinsider.com (Global: 140^th place; English: 115^th place)

Ro, Sam (March 13, 2014). "March 14, 2015 Will Be A Once-In-A-Century Thrill For Math Geeks". Business Insider. Retrieved March 13, 2014.

cnet.com (Global: 272^nd place; English: 225^th place)

news.cnet.com

McCullagh, Declan (March 11, 2009). "National Pi Day? Congress makes it official". Politics and Law. CNET News. Retrieved March 14, 2009.

cnn.com (Global: 28^th place; English: 26^th place)

cnn.com

Landau, Elizabeth (March 12, 2010). "On Pi Day, one number 'reeks of mystery'". CNN. Retrieved March 14, 2018.
Landau, Elizabeth. "In case Pi Day wasn't enough, it's now 'Tau Day' on the Internet". CNN.

lightyears.blogs.cnn.com

"Tau Day: Why you should eat twice the pie". Archived from the original on January 12, 2013.

doi.org (Global: 2^nd place; English: 2^nd place)

Rousseau, Christiane (September 1, 2019). "International Day of Mathematics" (PDF). Notices of the American Mathematical Society. 66 (8): 1. doi:10.1090/noti1928.
Rosenthal, Jeffrey S. (February 2015). "Pi Instant". Math Horizons. 22 (3): 22. doi:10.4169/mathhorizons.22.3.22. S2CID 218542599.

doodles.google (Global: low place; English: low place)

"Pi Day". Google Doodles. Retrieved October 9, 2012.
"30th Anniversary of Pi Day!". www.google.com. Retrieved March 19, 2018.

exploratorium.edu (Global: low place; English: 9,112^th place)

"Exploratorium 22nd Annual Pi Day". Exploratorium. Archived from the original on March 14, 2011. Retrieved January 31, 2011.

forbes.com (Global: 54^th place; English: 48^th place)

Mack, Eric (March 14, 2015). "Celebrate The Only Super Pi Day Of The Century". Forbes. Retrieved March 14, 2019.
Smith, K.N. "Wednesday's Google Doodle Celebrates Pi Day". Forbes.

geocaching.com (Global: low place; English: low place)

"Tau Day – Come Eat Twice the (Pi)e".

ghostarchive.org (Global: 32^nd place; English: 21^st place)

"It's Pi Day today. But these people say we should refuse to celebrate it". The Independent. March 13, 2018. Archived from the original on May 26, 2022. Retrieved March 14, 2018.

independent.co.uk (Global: 36^th place; English: 33^rd place)

"It's Pi Day today. But these people say we should refuse to celebrate it". The Independent. March 13, 2018. Archived from the original on May 26, 2022. Retrieved March 14, 2018.

lamresearch.com (Global: low place; English: low place)

newsroom.lamresearch.com

Pavel, Elizabeth (March 13, 2017). "Celebrating Pi Day 2017… and More!". Lam Research. Archived from the original on March 30, 2023. Retrieved November 6, 2024.

loc.gov (Global: 70^th place; English: 63^rd place)

thomas.loc.gov

United States. Cong. House. Supporting the designation of Pi Day, and for other purposes. 111th Cong. Library of Congress Archived August 7, 2009, at the Wayback Machine

mitadmissions.org (Global: low place; English: low place)

"I have SMASHING news!". MIT Admissions. March 7, 2012. Retrieved March 12, 2012.
McGann, Matt (March 13, 2012). "Pi Day, Tau Time". MIT Admissions. Retrieved March 18, 2012.
"Keep your eyes to the skies this Pi Day". MIT Admissions. March 6, 2015. Retrieved March 14, 2018.
"[Pinned] This is the way...to check your decisions". MIT Admissions. March 10, 2020. Retrieved March 14, 2020.

nationalgeographic.com (Global: 344^th place; English: 296^th place)

news.nationalgeographic.com

"Pi Day Turns 25: Why We Celebrate an Irrational Number". March 14, 2013. Archived from the original on March 14, 2013. Retrieved March 14, 2018.

nbcdfw.com (Global: 6,336^th place; English: 3,544^th place)

"Celebrate Pi Day With These Deals Around North Texas". NBC DFW. March 13, 2021. Retrieved May 14, 2022.

nbcnews.com (Global: 137^th place; English: 101^st place)

McClan, Erin (March 14, 2007). "Pi fans meet March 14 (3.14, get it?)". NBC News. Archived from the original on September 27, 2013. Retrieved January 24, 2008.

popsci.com (Global: 2,941^st place; English: 2,021^st place)

Main, Douglas (March 14, 2014). "It's Not Just Pi Day, It's Pi Month!". Popular Science. Retrieved July 22, 2014.

probability.ca (Global: low place; English: low place)

Rosenthal, Jeffrey S. (February 2015). "Pi Instant". Math Horizons. 22 (3): 22. doi:10.4169/mathhorizons.22.3.22. S2CID 218542599.

sch.uk (Global: 3,851^st place; English: 2,314^th place)

honitoncollege.devon.sch.uk

"HCC Celebrate International Pi Day". Honitoncollege.devon.sch.uk. Archived from the original on February 22, 2014. Retrieved July 22, 2013.

scientificamerican.com (Global: 896^th place; English: 674^th place)

Bartholomew, Randyn Charles. Why Tau Trumps Pi.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Rosenthal, Jeffrey S. (February 2015). "Pi Instant". Math Horizons. 22 (3): 22. doi:10.4169/mathhorizons.22.3.22. S2CID 218542599.

sfgate.com (Global: 166^th place; English: 121^st place)

Berton, Justin (March 11, 2009). "Any way you slice it, pi's transcendental". San Francisco Chronicle. Retrieved March 18, 2011.

sverigesradio.se (Global: 1,180^th place; English: 2,079^th place)

"Nedräkning mot internationella Pi-dagen". Swedish national radio company (in Swedish). March 14, 2015.

theguardian.com (Global: 12^th place; English: 11^th place)

Bellos, Alex (March 14, 2015). "Pi Day 2015: a sweet treat for maths fans". The Guardian. Retrieved March 14, 2016.
Parker, Matt (March 14, 2011). "Pi Day: Help yourself to a slice of infinite, transcendental pi". The Guardian. Archived from the original on October 19, 2023. Retrieved August 15, 2024.

thinkfinity.org (Global: low place; English: low place)

"Pi Approximation Day is celebrated today". Today in History. Verizon Foundation. Archived from the original on December 1, 2010. Retrieved January 30, 2011.

timeanddate.com (Global: 1,373^rd place; English: 1,090^th place)

"Pi Day – Fun Holiday". Timeanddate.com. Retrieved March 13, 2022.

tomrocksmaths.com (Global: low place; English: low place)

Crawford, Tom (April 4, 2024), Carnival of Mathematics 226, The Aperiodical, archived from the original on August 30, 2024, retrieved August 30, 2024

umd.edu (Global: 1,747^th place; English: 1,277^th place)

cmns.umd.edu

Jencasa (March 11, 2014). "Pi Month Celebration & Circle of Discovery Award Presentation | College of Computer, Mathematical, and Natural Sciences". College of Computer, Mathematical, and Natural Sciences. Cmns.umd.edu. Retrieved July 22, 2014.

unesco.org (Global: 104^th place; English: 199^th place)

en.unesco.org

"International Day of Mathematics". UNESCO. March 4, 2020.

visitprinceton.org (Global: low place; English: low place)

"Princeton Pi Day & Einstein Birthday Party". Princeton Regional Convention and Visitors Bureau. Retrieved February 9, 2019.

web.archive.org (Global: 1^st place; English: 1^st place)

United States. Cong. House. Supporting the designation of Pi Day, and for other purposes. 111th Cong. Library of Congress Archived August 7, 2009, at the Wayback Machine
"Exploratorium 22nd Annual Pi Day". Exploratorium. Archived from the original on March 14, 2011. Retrieved January 31, 2011.
Anderson, Curt (March 14, 2024). "What's Pi Day all about? Math, science, pies and more". Associated Press. Archived from the original on March 14, 2024. Retrieved March 14, 2025.
"Honiton Community College Pi Day – Jazmin Year 9". YouTube. Archived from the original on October 17, 2013. Retrieved July 22, 2013.
"HCC Celebrate International Pi Day". Honitoncollege.devon.sch.uk. Archived from the original on February 22, 2014. Retrieved July 22, 2013.
McClan, Erin (March 14, 2007). "Pi fans meet March 14 (3.14, get it?)". NBC News. Archived from the original on September 27, 2013. Retrieved January 24, 2008.
Crawford, Tom (April 4, 2024), Carnival of Mathematics 226, The Aperiodical, archived from the original on August 30, 2024, retrieved August 30, 2024
Parker, Matt (March 14, 2011). "Pi Day: Help yourself to a slice of infinite, transcendental pi". The Guardian. Archived from the original on October 19, 2023. Retrieved August 15, 2024.
"Pi Approximation Day is celebrated today". Today in History. Verizon Foundation. Archived from the original on December 1, 2010. Retrieved January 30, 2011.
Pavel, Elizabeth (March 13, 2017). "Celebrating Pi Day 2017… and More!". Lam Research. Archived from the original on March 30, 2023. Retrieved November 6, 2024.
"Tau Day: Why you should eat twice the pie". Archived from the original on January 12, 2013.
"Pi Day Turns 25: Why We Celebrate an Irrational Number". March 14, 2013. Archived from the original on March 14, 2013. Retrieved March 14, 2018.

wgsbn-iau.org (Global: low place; English: 8,968^th place)

International Astronomical Union (August 15, 2024). "New Names of Minor Planets" (PDF). WGSBN Bulletin. 4 (11). Retrieved August 15, 2024. Matthew Thomas Parker (b. 1980) is an Australian recreational mathematician, author, and science communicator based in the United Kingdom. His "Stand-up Maths" YouTube channel has gained more than one million subscribers. Parker's Pi Day (March 14) challenges, where he calculates (by hand) π with the help of volunteers, have popularized mathematics.

youtube.com (Global: 9^th place; English: 13^th place)

"Honiton Community College Pi Day – Jazmin Year 9". YouTube. Archived from the original on October 17, 2013. Retrieved July 22, 2013.
Matt Parker (March 13, 2024). The biggest hand calculation in a century! [Pi Day 2024] (video). London. Retrieved July 1, 2024 – via YouTube.

Pi Day (English Wikipedia)

abc.net.au (Global: 139th place; English: 108th place)

ams.org (Global: 451st place; English: 277th place)

apnews.com (Global: 129th place; English: 89th place)

apollotutoring.com (Global: low place; English: low place)

bmj.com (Global: 1,226th place; English: 1,421st place)

blogs.bmj.com

businessinsider.com (Global: 140th place; English: 115th place)

cnet.com (Global: 272nd place; English: 225th place)

news.cnet.com

cnn.com (Global: 28th place; English: 26th place)

cnn.com

lightyears.blogs.cnn.com

doi.org (Global: 2nd place; English: 2nd place)

doodles.google (Global: low place; English: low place)

exploratorium.edu (Global: low place; English: 9,112th place)

forbes.com (Global: 54th place; English: 48th place)

geocaching.com (Global: low place; English: low place)

ghostarchive.org (Global: 32nd place; English: 21st place)

independent.co.uk (Global: 36th place; English: 33rd place)

lamresearch.com (Global: low place; English: low place)

newsroom.lamresearch.com

loc.gov (Global: 70th place; English: 63rd place)

thomas.loc.gov

mitadmissions.org (Global: low place; English: low place)

nationalgeographic.com (Global: 344th place; English: 296th place)

news.nationalgeographic.com

nbcdfw.com (Global: 6,336th place; English: 3,544th place)

nbcnews.com (Global: 137th place; English: 101st place)

popsci.com (Global: 2,941st place; English: 2,021st place)

probability.ca (Global: low place; English: low place)

sch.uk (Global: 3,851st place; English: 2,314th place)

honitoncollege.devon.sch.uk

scientificamerican.com (Global: 896th place; English: 674th place)

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

sfgate.com (Global: 166th place; English: 121st place)

sverigesradio.se (Global: 1,180th place; English: 2,079th place)

theguardian.com (Global: 12th place; English: 11th place)

thinkfinity.org (Global: low place; English: low place)

timeanddate.com (Global: 1,373rd place; English: 1,090th place)

tomrocksmaths.com (Global: low place; English: low place)

umd.edu (Global: 1,747th place; English: 1,277th place)

cmns.umd.edu

unesco.org (Global: 104th place; English: 199th place)

en.unesco.org

visitprinceton.org (Global: low place; English: low place)

web.archive.org (Global: 1st place; English: 1st place)

wgsbn-iau.org (Global: low place; English: 8,968th place)

youtube.com (Global: 9th place; English: 13th place)

abc.net.au (Global: 139^th place; English: 108^th place)

ams.org (Global: 451^st place; English: 277^th place)

apnews.com (Global: 129^th place; English: 89^th place)

bmj.com (Global: 1,226^th place; English: 1,421^st place)

businessinsider.com (Global: 140^th place; English: 115^th place)

cnet.com (Global: 272^nd place; English: 225^th place)

cnn.com (Global: 28^th place; English: 26^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

exploratorium.edu (Global: low place; English: 9,112^th place)

forbes.com (Global: 54^th place; English: 48^th place)

ghostarchive.org (Global: 32^nd place; English: 21^st place)

independent.co.uk (Global: 36^th place; English: 33^rd place)

loc.gov (Global: 70^th place; English: 63^rd place)

nationalgeographic.com (Global: 344^th place; English: 296^th place)

nbcdfw.com (Global: 6,336^th place; English: 3,544^th place)

nbcnews.com (Global: 137^th place; English: 101^st place)

popsci.com (Global: 2,941^st place; English: 2,021^st place)

sch.uk (Global: 3,851^st place; English: 2,314^th place)

scientificamerican.com (Global: 896^th place; English: 674^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

sfgate.com (Global: 166^th place; English: 121^st place)

sverigesradio.se (Global: 1,180^th place; English: 2,079^th place)

theguardian.com (Global: 12^th place; English: 11^th place)

timeanddate.com (Global: 1,373^rd place; English: 1,090^th place)

umd.edu (Global: 1,747^th place; English: 1,277^th place)

unesco.org (Global: 104^th place; English: 199^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wgsbn-iau.org (Global: low place; English: 8,968^th place)

youtube.com (Global: 9^th place; English: 13^th place)