German submarine U-391

U-391 - 1943 Type VIIC submarine. Article “German submarine U-391” in English Wikipedia has 20.4 points for quality (as of July 1, 2025). The article contains 6 references and 7 sections.

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

Since the creation of article “German submarine U-391”, its content was written by 19 registered users of English Wikipedia and edited by 50 registered Wikipedia users in all languages.

The article is cited 752 times in English Wikipedia and cited 5081 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #134658 in November 2015
• Global: #349231 in September 2012

The highest popularity rank from 2008:

• Local (English): #1822354 in September 2012
• Global: #2057995 in August 2023

There are 9 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	Vietnamese (vi) U-391 (tàu ngầm Đức)		39.9171
2	Portuguese (pt) U-391		21.4705
3	English (en) German submarine U-391		20.3949
4	French (fr) Unterseeboot 391		13.2602
5	Arabic (ar) الغواصة الألمانية يو-391		12.7111
6	Ukrainian (uk) U-391		12.4908
7	Russian (ru) U-391		7.6547
8	Slovenian (sl) U-391		6.7932
9	Persian (fa) زیردریایی یو-۳۹۱		1.2498

More...

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

The most popular language versions of the article "German submarine U-391" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-391		9 262
2	Russian (ru) U-391		3 459
3	Portuguese (pt) U-391		1 436
4	French (fr) Unterseeboot 391		1 427
5	Slovenian (sl) U-391		846
6	Arabic (ar) الغواصة الألمانية يو-391		266
7	Ukrainian (uk) U-391		255
8	Persian (fa) زیردریایی یو-۳۹۱		184
9	Vietnamese (vi) U-391 (tàu ngầm Đức)		102

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

The most popular language versions of the article "German submarine U-391" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-391		49
2	Russian (ru) U-391		17
3	Vietnamese (vi) U-391 (tàu ngầm Đức)		8
4	French (fr) Unterseeboot 391		7
5	Slovenian (sl) U-391		7
6	Portuguese (pt) U-391		6
7	Arabic (ar) الغواصة الألمانية يو-391		5
8	Ukrainian (uk) U-391		4
9	Persian (fa) زیردریایی یو-۳۹۱		3

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

Language versions of the article "German submarine U-391" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) German submarine U-391		19
2	French (fr) Unterseeboot 391		13
3	Ukrainian (uk) U-391		5
4	Persian (fa) زیردریایی یو-۳۹۱		3
5	Portuguese (pt) U-391		3
6	Russian (ru) U-391		3
7	Slovenian (sl) U-391		2
8	Arabic (ar) الغواصة الألمانية يو-391		1
9	Vietnamese (vi) U-391 (tàu ngầm Đức)		1

More...

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

Language versions of the article "German submarine U-391" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Vietnamese (vi) U-391 (tàu ngầm Đức)		1
2	Arabic (ar) الغواصة الألمانية يو-391		0
3	English (en) German submarine U-391		0
4	Persian (fa) زیردریایی یو-۳۹۱		0
5	French (fr) Unterseeboot 391		0
6	Portuguese (pt) U-391		0
7	Russian (ru) U-391		0
8	Slovenian (sl) U-391		0
9	Ukrainian (uk) U-391		0

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

Language versions of the article "German submarine U-391" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) الغواصة الألمانية يو-391		1 151
2	English (en) German submarine U-391		752
3	French (fr) Unterseeboot 391		710
4	Ukrainian (uk) U-391		646
5	Slovenian (sl) U-391		586
6	Portuguese (pt) U-391		576
7	Vietnamese (vi) U-391 (tàu ngầm Đức)		355
8	Russian (ru) U-391		294
9	Persian (fa) زیردریایی یو-۳۹۱		11

More...

#	Language	Value
ar	Arabic الغواصة الألمانية يو-391
en	English German submarine U-391
fa	Persian زیردریایی یو-۳۹۱
fr	French Unterseeboot 391
pt	Portuguese U-391
ru	Russian U-391
sl	Slovenian U-391
uk	Ukrainian U-391
vi	Vietnamese U-391 (tàu ngầm Đức)

Best Rank

English: #1822354 09.2012

Global: #2057995 08.2023

Best Rank

English: #134658 11.2015

Global: #349231 09.2012

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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