April 21

Quality:

April 21 - day of the year. Article "April 21" in English Wikipedia has 43.6 points for quality (as of April 1, 2023). The article contains 27 references and 16 sections.

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

Achievements in all the time:
English Wikipedia:
The 9203rd most editable in English Wikipedia.
Global Wikipedia:
The 2134th most popular in AI.
Achievements in the last month:
Global Wikipedia:
The 5928th most popular in AI in the last month.

In March 2023 the article "April 21" was edited by 1 authors in English Wikipedia and written by 34 authors in all languages (5928th place).

Since the creation of article "April 21", its content was written by 800 registered users of English Wikipedia (9203rd place) and edited by 4672 registered Wikipedia users in all languages (2134th place).

The article is cited 1130 times in English Wikipedia and cited 92236 times in all languages (1501st place).

The highest Authors Interest rank from 2001:

  • Local (English): #189 in April 2003
  • Global: #47 in April 2003

The highest popularity rank from 2008:

  • Local (English): #493 in April 2010
  • Global: #714 in April 2010

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

The quality and popularity assessment was based on Wikipedia dumps from April 1, 2023 (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
59.1195
2Catalan (ca)
21 d'abril
44.5028
3English (en)
April 21
43.6334
4Japanese (ja)
4月21日
42.377
5Czech (cs)
21. duben
40.2081
6French (fr)
21 avril
37.5556
7Simple English (simple)
April 21
37.5339
8Russian (ru)
21 апреля
33.2703
9Portuguese (pt)
21 de abril
32.4727
10Polish (pl)
21 kwietnia
31.9593
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
#LanguagePop. awardRelative popularity
1English (en)
April 21
2 456 353
2Japanese (ja)
4月21日
968 106
3Russian (ru)
21 апреля
790 892
4Spanish (es)
21 de abril
762 040
5German (de)
21. April
716 046
6Portuguese (pt)
21 de abril
627 014
7Polish (pl)
21 kwietnia
496 992
8French (fr)
21 avril
405 506
9Italian (it)
21 aprile
342 778
10Dutch (nl)
21 april
254 281
More...

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

Most popular in March 2023

The most popular language versions of the article "April 21" in March 2023
#LanguagePop. awardRelative popularity
1Russian (ru)
21 апреля
6 987
2English (en)
April 21
5 460
3Spanish (es)
21 de abril
4 198
4Japanese (ja)
4月21日
3 469
5Portuguese (pt)
21 de abril
2 586
6French (fr)
21 avril
1 571
7Turkish (tr)
21 Nisan
1 554
8German (de)
21. April
1 464
9Ukrainian (uk)
21 квітня
1 238
10Arabic (ar)
21 أبريل
1 234
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 AI. Only registreted Wikipedia users were counted.
#LanguageAI awardRelative AI
1English (en)
April 21
800
2German (de)
21. April
375
3French (fr)
21 avril
278
4Spanish (es)
21 de abril
254
5Dutch (nl)
21 april
213
6Russian (ru)
21 апреля
183
7Japanese (ja)
4月21日
160
8Polish (pl)
21 kwietnia
157
9Italian (it)
21 aprile
153
10Portuguese (pt)
21 de abril
143
More...

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

The highest AI in March 2023

Language versions of the article "April 21" with the highest AI in March 2023
#LanguageAI awardRelative AI
1Spanish (es)
21 de abril
8
2German (de)
21. April
3
3Dutch (nl)
21 april
3
4Russian (ru)
21 апреля
3
5Turkish (tr)
21 Nisan
3
6Chinese (zh)
4月21日
3
7Belarusian (be)
21 красавіка
2
8Basque (eu)
Apirilaren 21
2
9Persian (fa)
۲۱ آوریل
2
10Japanese (ja)
4月21日
2
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
9 973
2French (fr)
21 avril
9 488
3Russian (ru)
21 апреля
5 216
4Hebrew (he)
21 באפריל
4 975
5Serbian (sr)
21. април
4 849
6German (de)
21. April
3 596
7Spanish (es)
21 de abril
3 512
8Portuguese (pt)
21 de abril
2 891
9Ukrainian (uk)
21 квітня
2 890
10Polish (pl)
21 kwietnia
2 783
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in March 2023:
English:
Global:
Popularity in all years:
English:
Global:
Authors in March 2023:
English:
Global:
Registreted authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwiki

#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 English:
#493
04.2010
Global:
#714
04.2010

AI rank trends

Best Rank English:
#189
04.2003
Global:
#47
04.2003

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparsion

Important global interconnections

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

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 2 June 2023

On 2 June 2023 in multilingual Wikipedia, Internet users most often read articles on the following topics: Queen Rania of Jordan, YouTube, Spider-Man: Across the Spider-Verse, Abdullah II of Jordan, ChatGPT, Nikola Jokić, The Little Mermaid, Hussein bin Abdullah, Crown Prince of Jordan, Facebook, Instagram.

In English Wikipedia the most popular articles on that day were: Spider-Man: Across the Spider-Verse, Nikola Jokić, ChatGPT, The Little Mermaid (2023 film), Phillip Schofield, Fast X, SS Atlantic (1870), Spider-Man: Into the Spider-Verse, Deaths in 2023, YouTube.

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 42 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from April, 2023. When calculating current popularity and AI of articles data from March 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information