December 21

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December 21

Quality:

December 21 - day of the year. Article “December 21” in Simple English Wikipedia has 38.5 points for quality (as of July 1, 2025). The article contains 0 references and 14 sections.

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

Achievements in all the time:
Simple English Wikipedia:
The 8421st most popular in Simple English Wikipedia.
The 5158th most editable in Simple English Wikipedia.
Global Wikipedia:
The 1780th most popular in AI.

Since the creation of article “December 21”, its content was written by 34 registered users of Simple English Wikipedia (5158th place) and edited by 5232 registered Wikipedia users in all languages (1780th place).

The article is cited 97 times in Simple English Wikipedia and cited 86798 times in all languages (1804th place).

The highest Authors Interest rank from 2001:

  • Local (Simple English): #444 in May 2011
  • Global: #94 in December 2011

The highest popularity rank from 2008:

  • Local (Simple English): #660 in May 2022
  • Global: #355 in December 2012

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
1English (en)
December 21
71.1603
2German (de)
21. Dezember
60.3537
3Dutch (nl)
21 december
58.9765
4Portuguese (pt)
21 de dezembro
48.4909
5Catalan (ca)
21 de desembre
46.0708
6Simple English (simple)
December 21
38.5112
7Romanian (ro)
21 decembrie
34.808
8French (fr)
21 décembre
33.1436
9Czech (cs)
21. prosinec
32.8297
10Basque (eu)
Abenduaren 21
32.1288
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 "December 21" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
December 21
3 095 612
2Spanish (es)
21 de diciembre
1 177 290
3Japanese (ja)
12月21日
1 092 981
4Russian (ru)
21 декабря
1 019 617
5German (de)
21. Dezember
867 827
6Polish (pl)
21 grudnia
559 862
7Turkish (tr)
21 Aralık
556 537
8French (fr)
21 décembre
523 120
9Portuguese (pt)
21 de dezembro
448 848
10Italian (it)
21 dicembre
400 678
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 "December 21" in June 2025
#LanguagePopularity awardRelative popularity
1Russian (ru)
21 декабря
2 602
2Japanese (ja)
12月21日
1 965
3English (en)
December 21
1 902
4Portuguese (pt)
21 de dezembro
781
5French (fr)
21 décembre
716
6German (de)
21. Dezember
640
7Spanish (es)
21 de diciembre
602
8Chinese (zh)
12月21日
598
9Hebrew (he)
21 בדצמבר
489
10Polish (pl)
21 grudnia
435
More...

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

The highest AI

Language versions of the article "December 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
December 21
964
2German (de)
21. Dezember
409
3Spanish (es)
21 de diciembre
329
4French (fr)
21 décembre
326
5Dutch (nl)
21 december
240
6Japanese (ja)
12月21日
221
7Russian (ru)
21 декабря
194
8Polish (pl)
21 grudnia
188
9Italian (it)
21 dicembre
187
10Portuguese (pt)
21 de dezembro
160
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 "December 21" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Japanese (ja)
12月21日
3
2Hungarian (hu)
December 21.
2
3Korean (ko)
12월 21일
2
4Portuguese (pt)
21 de dezembro
2
5Esperanto (eo)
21-a de decembro
1
6Spanish (es)
21 de diciembre
1
7Persian (fa)
۲۱ دسامبر
1
8Finnish (fi)
21. joulukuuta
1
9Polish (pl)
21 grudnia
1
10Turkish (tr)
21 Aralık
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 "December 21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
12月21日
10 251
2French (fr)
21 décembre
6 474
3Hebrew (he)
21 בדצמבר
5 303
4Russian (ru)
21 декабря
5 142
5Serbian (sr)
21. децембар
4 935
6German (de)
21. Dezember
3 756
7Ukrainian (uk)
21 грудня
3 108
8Polish (pl)
21 grudnia
3 038
9Portuguese (pt)
21 de dezembro
2 827
10Kazakh (kk)
21 желтоқсан
2 608
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 ديسمبر
azAzerbaijani
21 dekabr
beBelarusian
21 снежня
bgBulgarian
21 декември
caCatalan
21 de desembre
csCzech
21. prosinec
daDanish
21. december
deGerman
21. Dezember
elGreek
21 Δεκεμβρίου
enEnglish
December 21
eoEsperanto
21-a de decembro
esSpanish
21 de diciembre
etEstonian
21. detsember
euBasque
Abenduaren 21
faPersian
۲۱ دسامبر
fiFinnish
21. joulukuuta
frFrench
21 décembre
glGalician
21 de decembro
heHebrew
21 בדצמבר
hiHindi
२१ दिसम्बर
hrCroatian
21. prosinca
huHungarian
December 21.
hyArmenian
Դեկտեմբերի 21
idIndonesian
21 Desember
itItalian
21 dicembre
jaJapanese
12月21日
kaGeorgian
21 დეკემბერი
kkKazakh
21 желтоқсан
koKorean
12월 21일
laLatin
21 Decembris
ltLithuanian
Gruodžio 21
msMalay
21 Disember
nlDutch
21 december
nnNorwegian (Nynorsk)
21. desember
noNorwegian
21. desember
plPolish
21 grudnia
ptPortuguese
21 de dezembro
roRomanian
21 decembrie
ruRussian
21 декабря
shSerbo-Croatian
21. 12.
simpleSimple English
December 21
skSlovak
21. december
slSlovenian
21. december
srSerbian
21. децембар
svSwedish
21 december
taTamil
திசம்பர் 21
thThai
21 ธันวาคม
trTurkish
21 Aralık
ukUkrainian
21 грудня
urUrdu
21 دسمبر
uzUzbek
21-dekabr
viVietnamese
21 tháng 12
voVolapük
Dekul 21
zhChinese
12月21日
zhminnanMin Nan
12 goe̍h 21 ji̍t

Popularity rank trends

Best Rank Simple English:
#660
05.2022
Global:
#355
12.2012

AI rank trends

Best Rank Simple English:
#444
05.2011
Global:
#94
12.2011

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 December 21 from Wikipedia articles about December 20, December 22, December, Order of Lenin and December 19. Whereas reading the article about December 21 people most often go to Wikipedia articles on December 22, December 20, Solstice, 2012 phenomenon and Samuel L. Jackson.

Cumulative results of quality and popularity of the Wikipedia article

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

simple: December 21

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Pornhub, XXXTentacion, XVideos, List of people who have walked on the Moon, Manon Bannerman, Ajit Pawar, List of U.S. states, List of sex positions.

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