U 231

de

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U 231

Quality:

U-231 - 1942 Type VIIC submarine. Article “U 231” in German Wikipedia has 13.7 points for quality (as of July 1, 2025). The article contains 1 references and 6 sections.

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

Since the creation of article “U 231”, its content was written by 4 registered users of German Wikipedia and edited by 56 registered Wikipedia users in all languages.

The article is cited 250 times in German Wikipedia and cited 5337 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #23920 in July 2017
  • Global: #344123 in July 2017

The highest popularity rank from 2008:

  • Local (German): #398046 in January 2020
  • Global: #1352293 in June 2025

There are 10 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
1Vietnamese (vi)
U-231 (tàu ngầm Đức)
44.697
2English (en)
German submarine U-231
24.9715
3Portuguese (pt)
U-231
21.0933
4Arabic (ar)
الغواصة الألمانية يو-231
18.9616
5German (de)
U 231
13.6791
6Ukrainian (uk)
U-231
13.5085
7French (fr)
Unterseeboot 231
13.2551
8Russian (ru)
U-231
8.9207
9Slovenian (sl)
U-231
6.7695
10Persian (fa)
زیردریایی یو-۲۳۱
1.2387
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 "U 231" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-231
17 886
2Russian (ru)
U-231
7 806
3German (de)
U 231
6 634
4Slovenian (sl)
U-231
5 066
5French (fr)
Unterseeboot 231
3 204
6Portuguese (pt)
U-231
1 637
7Arabic (ar)
الغواصة الألمانية يو-231
709
8Ukrainian (uk)
U-231
533
9Persian (fa)
زیردریایی یو-۲۳۱
368
10Vietnamese (vi)
U-231 (tàu ngầm Đức)
83
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 "U 231" in June 2025
#LanguagePopularity awardRelative popularity
1Slovenian (sl)
U-231
757
2English (en)
German submarine U-231
89
3German (de)
U 231
45
4Vietnamese (vi)
U-231 (tàu ngầm Đức)
43
5Russian (ru)
U-231
11
6Persian (fa)
زیردریایی یو-۲۳۱
9
7Ukrainian (uk)
U-231
9
8French (fr)
Unterseeboot 231
8
9Portuguese (pt)
U-231
5
10Arabic (ar)
الغواصة الألمانية يو-231
3
More...

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

The highest AI

Language versions of the article "U 231" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
German submarine U-231
19
2French (fr)
Unterseeboot 231
13
3Ukrainian (uk)
U-231
7
4German (de)
U 231
4
5Russian (ru)
U-231
4
6Persian (fa)
زیردریایی یو-۲۳۱
3
7Portuguese (pt)
U-231
2
8Slovenian (sl)
U-231
2
9Arabic (ar)
الغواصة الألمانية يو-231
1
10Vietnamese (vi)
U-231 (tàu ngầm Đức)
1
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 "U 231" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Vietnamese (vi)
U-231 (tàu ngầm Đức)
1
2Arabic (ar)
الغواصة الألمانية يو-231
0
3German (de)
U 231
0
4English (en)
German submarine U-231
0
5Persian (fa)
زیردریایی یو-۲۳۱
0
6French (fr)
Unterseeboot 231
0
7Portuguese (pt)
U-231
0
8Russian (ru)
U-231
0
9Slovenian (sl)
U-231
0
10Ukrainian (uk)
U-231
0
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 "U 231" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Arabic (ar)
الغواصة الألمانية يو-231
1 151
2English (en)
German submarine U-231
754
3French (fr)
Unterseeboot 231
711
4Ukrainian (uk)
U-231
648
5Slovenian (sl)
U-231
586
6Portuguese (pt)
U-231
575
7Vietnamese (vi)
U-231 (tàu ngầm Đức)
356
8Russian (ru)
U-231
292
9German (de)
U 231
250
10Persian (fa)
زیردریایی یو-۲۳۱
14
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
الغواصة الألمانية يو-231
deGerman
U 231
enEnglish
German submarine U-231
faPersian
زیردریایی یو-۲۳۱
frFrench
Unterseeboot 231
ptPortuguese
U-231
ruRussian
U-231
slSlovenian
U-231
ukUkrainian
U-231
viVietnamese
U-231 (tàu ngầm Đức)

Popularity rank trends

Best Rank German:
#398046
01.2020
Global:
#1352293
06.2025

AI rank trends

Best Rank German:
#23920
07.2017
Global:
#344123
07.2017

Languages comparison

Important global interconnections (July 2024 – June 2025)

Cumulative results of quality and popularity of the Wikipedia article

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

ru: U-231
de: U 231
sl: U-231
pt: U-231
uk: U-231

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 German Wikipedia the most popular articles on that day were: Jeffrey Epstein, Julia Taubitz, Philipp Raimund, Ghislaine Maxwell, Bad Bunny, Emma Aicher, Olympische Winterspiele 2026, Gil Ofarim, Lindsey Vonn, Epstein-Akten.

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