Pi Day

Quality:

Pi Day - mathematical holiday on March 14. This event is the 501^st most popular in the global Wikipedia ranking of events and the 574^th most popular event in Simple English Wikipedia. Article “Pi Day” in Simple English Wikipedia has 25.6 points for quality (as of July 1, 2025). The article contains 2 references and 4 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Achievements in all the time:

Simple English Wikipedia:

The 574^th most popular in events in Simple English Wikipedia.

Global Wikipedia:

The 501^st most popular in events.

Achievements in the last month:

Simple English Wikipedia:

sim

The 2110^th most editable in Simple English Wikipedia in the last month.

In June 2025 the article “Pi Day” was edited by 2 authors in Simple English Wikipedia (2110^th place) and written by 14 authors in all languages.

Since the creation of article “Pi Day”, its content was written by 15 registered users of Simple English Wikipedia and edited by 2301 registered Wikipedia users in all languages.

Pi Day is on the 574^th place in local ranking of events in Simple English Wikipedia and on the 501^st place in global ranking of events in all the time.

The article is cited 8 times in Simple English Wikipedia and cited 870 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #167 in March 2011
• Global: #29 in March 2010

The highest popularity rank from 2008:

• Local (Simple English): #5263 in March 2017
• Global: #43 in March 2018

There are 48 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Pi Day		60.6337
2	Greek (el) Ημέρα του πι		47.247
3	Croatian (hr) Dan broja pi		45.405
4	Indonesian (id) Hari Pi		43.0804
5	Serbo-Croatian (sh) Dan broja π		40.1644
6	Latin (la) Dies numeri π		36.2532
7	Arabic (ar) يوم ط		36.0859
8	German (de) Pi-Tag		34.7425
9	Hungarian (hu) Nemzetközi π-nap		33.7728
10	Malay (ms) Hari Pi		33.7711

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Pi Day		6 812 731
2	Spanish (es) Día de π		912 488
3	German (de) Pi-Tag		839 529
4	French (fr) Journée de pi		623 885
5	Italian (it) Giorno del pi greco		546 696
6	Russian (ru) День числа пи		508 402
7	Chinese (zh) 圓周率日		441 466
8	Portuguese (pt) Dia do Pi		421 789
9	Turkish (tr) Pi Günü		345 661
10	Polish (pl) Dzień Liczby Pi		317 852

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Pi Day		5 698
2	German (de) Pi-Tag		989
3	Persian (fa) روز پی		692
4	French (fr) Journée de pi		624
5	Spanish (es) Día de π		596
6	Russian (ru) День числа пи		567
7	Vietnamese (vi) Ngày số pi		386
8	Japanese (ja) 円周率の日		303
9	Chinese (zh) 圓周率日		260
10	Arabic (ar) يوم ط		244

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Pi Day		826
2	French (fr) Journée de pi		125
3	German (de) Pi-Tag		122
4	Italian (it) Giorno del pi greco		107
5	Hebrew (he) יום פאי		101
6	Spanish (es) Día de π		80
7	Dutch (nl) Pi-dag		77
8	Russian (ru) День числа пи		68
9	Turkish (tr) Pi Günü		54
10	Chinese (zh) 圓周率日		47

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Pi Day		6
2	Simple English (simple) Pi Day		2
3	Vietnamese (vi) Ngày số pi		2
4	German (de) Pi-Tag		1
5	Persian (fa) روز پی		1
6	French (fr) Journée de pi		1
7	Hebrew (he) יום פאי		1
8	Arabic (ar) يوم ط		0
9	Azerbaijani (az) Pi Günü		0
10	Belarusian (be) Дзень Пі		0

The following table shows the language versions of the article with the highest number of citations.

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In Simple English Wikipedia the most popular articles on that day were: Manon Bannerman, Black, List of European countries, XXXTentacion, Jeffrey Epstein, Megan Skiendiel, Jacqueline Kennedy Onassis, Katseye, List of people who have walked on the Moon, Golden Edge.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information