April 21

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April 21

Quality:

April 21 - day of the year. Article “April 21” in Simple English Wikipedia has 38.7 points for quality (as of July 1, 2025). The article contains 0 references and 14 sections.

This article has the best quality in German Wikipedia. However, the most popular language version of this article is English.

Achievements in all the time:
Simple English Wikipedia:
The 8125th most popular in Simple English Wikipedia.
The 9001st most editable in Simple English Wikipedia.
Global Wikipedia:
The 2146th most popular in AI.
Achievements in the last month:
Global Wikipedia:
The 9815th most popular in AI in the last month.

Since the creation of article “April 21”, its content was written by 25 registered users of Simple English Wikipedia (9001st place) and edited by 4917 registered Wikipedia users in all languages (2146th place).

The article is cited 95 times in Simple English Wikipedia and cited 88469 times in all languages (1701st place).

The highest Authors Interest rank from 2001:

  • Local (Simple English): #156 in April 2012
  • Global: #47 in April 2003

The highest popularity rank from 2008:

  • Local (Simple English): #471 in May 2022
  • Global: #737 in April 2010

There are 55 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1German (de)
21. April
59.6389
2English (en)
April 21
58.6559
3Catalan (ca)
21 d'abril
48.1898
4French (fr)
21 avril
42.1435
5Czech (cs)
21. duben
40.3329
6Simple English (simple)
April 21
38.7349
7Portuguese (pt)
21 de abril
37.3258
8Japanese (ja)
4月21日
35.8636
9Dutch (nl)
21 april
35.395
10Basque (eu)
Apirilaren 21
33.8179
More...

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

Most popular in all the time

The most popular language versions of the article "April 21" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
April 21
2 661 928
2Japanese (ja)
4月21日
1 091 090
3Russian (ru)
21 апреля
957 456
4Spanish (es)
21 de abril
854 452
5German (de)
21. April
791 757
6Portuguese (pt)
21 de abril
703 071
7Polish (pl)
21 kwietnia
539 196
8French (fr)
21 avril
448 651
9Italian (it)
21 aprile
377 020
10Dutch (nl)
21 april
272 481
More...

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

Most popular in June 2025

The most popular language versions of the article "April 21" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
April 21
2 462
2Russian (ru)
21 апреля
2 423
3Japanese (ja)
4月21日
1 746
4Portuguese (pt)
21 de abril
862
5Polish (pl)
21 kwietnia
762
6Spanish (es)
21 de abril
736
7Arabic (ar)
21 أبريل
682
8French (fr)
21 avril
610
9Chinese (zh)
4月21日
597
10Turkish (tr)
21 Nisan
568
More...

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

The highest AI

Language versions of the article "April 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
April 21
850
2German (de)
21. April
393
3French (fr)
21 avril
294
4Spanish (es)
21 de abril
282
5Dutch (nl)
21 april
224
6Russian (ru)
21 апреля
203
7Japanese (ja)
4月21日
183
8Polish (pl)
21 kwietnia
169
9Italian (it)
21 aprile
168
10Portuguese (pt)
21 de abril
161
More...

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

The highest AI in June 2025

Language versions of the article "April 21" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Spanish (es)
21 de abril
4
2Korean (ko)
4월 21일
2
3Dutch (nl)
21 april
2
4Belarusian (be)
21 красавіка
1
5Bulgarian (bg)
21 април
1
6German (de)
21. April
1
7French (fr)
21 avril
1
8Armenian (hy)
Ապրիլի 21
1
9Japanese (ja)
4月21日
1
10Georgian (ka)
21 აპრილი
1
More...

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

The highest CI

Language versions of the article "April 21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
4月21日
10 198
2French (fr)
21 avril
6 826
3Russian (ru)
21 апреля
5 375
4Hebrew (he)
21 באפריל
5 251
5Serbian (sr)
21. април
4 898
6German (de)
21. April
3 861
7Ukrainian (uk)
21 квітня
3 162
8Polish (pl)
21 kwietnia
2 936
9Portuguese (pt)
21 de abril
2 859
10Kazakh (kk)
21 сәуір
2 603
More...

Scores

Estimated value for Wikipedia:
Simple English:
Global:
Popularity in June 2025:
Simple English:
Global:
Popularity in all years:
Simple English:
Global:
Authors in June 2025:
Simple English:
Global:
Registered authors in all years:
Simple English:
Global:
Citations:
Simple English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
21 أبريل
azAzerbaijani
21 aprel
beBelarusian
21 красавіка
bgBulgarian
21 април
caCatalan
21 d'abril
csCzech
21. duben
daDanish
21. april
deGerman
21. April
elGreek
21 Απριλίου
enEnglish
April 21
eoEsperanto
21-a de aprilo
esSpanish
21 de abril
etEstonian
21. aprill
euBasque
Apirilaren 21
faPersian
۲۱ آوریل
fiFinnish
21. huhtikuuta
frFrench
21 avril
glGalician
21 de abril
heHebrew
21 באפריל
hiHindi
२१ अप्रैल
hrCroatian
21. travnja
huHungarian
Április 21.
hyArmenian
Ապրիլի 21
idIndonesian
21 April
itItalian
21 aprile
jaJapanese
4月21日
kaGeorgian
21 აპრილი
kkKazakh
21 сәуір
koKorean
4월 21일
laLatin
21 Aprilis
ltLithuanian
Balandžio 21
msMalay
21 April
nlDutch
21 april
nnNorwegian (Nynorsk)
21. april
noNorwegian
21. april
plPolish
21 kwietnia
ptPortuguese
21 de abril
roRomanian
21 aprilie
ruRussian
21 апреля
shSerbo-Croatian
21. 4.
simpleSimple English
April 21
skSlovak
21. apríl
slSlovenian
21. april
srSerbian
21. април
svSwedish
21 april
taTamil
ஏப்ரல் 21
thThai
21 เมษายน
trTurkish
21 Nisan
ukUkrainian
21 квітня
urUrdu
21 اپریل
uzUzbek
21-aprel
viVietnamese
21 tháng 4
voVolapük
Prilul 21
zhChinese
4月21日
zhminnanMin Nan
4 goe̍h 21 ji̍t

Popularity rank trends

Best Rank Simple English:
#471
05.2022
Global:
#737
04.2010

AI rank trends

Best Rank Simple English:
#156
04.2012
Global:
#47
04.2003

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on April 21 from Wikipedia articles about April 20, Pope Francis, April 22, April and Elizabeth II. Whereas reading the article about April 21 people most often go to Wikipedia articles on April 22, April 20, Pope Francis, Elizabeth II and Manfred von Richthofen.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

simple: April 21
sh: 21. 4.

News from 10 February 2026

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Jeffrey Epstein, XXXTentacion, Megan Skiendiel, Jessica Alba, Golden Edge, Manon Bannerman, Ghislaine Maxwell, Blake Carrett.

About WikiRank

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