U 51

U-51 - 1938 Type VIIB submarine. Article “U 51” in Czech Wikipedia has 26.3 points for quality (as of July 1, 2025). The article contains 11 references and 12 sections.

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

Since the creation of article “U 51”, its content was written by 3 registered users of Czech Wikipedia and edited by 135 registered Wikipedia users in all languages.

The article is cited 8 times in Czech Wikipedia and cited 4369 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #8923 in March 2022
• Global: #65052 in October 2008

The highest popularity rank from 2008:

• Local (Czech): #152146 in May 2022
• Global: #1010282 in February 2009

There are 12 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-51 (tàu ngầm Đức) (1938)		46.393
2	English (en) German submarine U-51 (1938)		40.1059
3	Chinese (zh) U-51号潜艇 (1938年)		33.9458
4	Ukrainian (uk) U-51 (1938)		32.8127
5	Czech (cs) U 51		26.3385
6	German (de) U 51 (U-Boot, 1938)		17.9664
7	French (fr) Unterseeboot 51 (1938)		14.3935
8	Russian (ru) U-51 (1938)		12.4827
9	Arabic (ar) الغواصة الألمانية يو-51 (1938)		7.8134
10	Polish (pl) U-51 (1938)		6.381

More...

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

The most popular language versions of the article "U 51" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-51 (1938)		41 376
2	German (de) U 51 (U-Boot, 1938)		27 384
3	Polish (pl) U-51 (1938)		12 428
4	Russian (ru) U-51 (1938)		11 757
5	French (fr) Unterseeboot 51 (1938)		3 869
6	Slovenian (sl) U-51 (Kriegsmarine)		1 681
7	Chinese (zh) U-51号潜艇 (1938年)		1 190
8	Persian (fa) او-۵۱ (کریگس‌مارینه)		791
9	Czech (cs) U 51		469
10	Ukrainian (uk) U-51 (1938)		465

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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 "U 51" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-51 (1938)		334
2	German (de) U 51 (U-Boot, 1938)		297
3	Chinese (zh) U-51号潜艇 (1938年)		53
4	Russian (ru) U-51 (1938)		46
5	French (fr) Unterseeboot 51 (1938)		23
6	Polish (pl) U-51 (1938)		21
7	Slovenian (sl) U-51 (Kriegsmarine)		13
8	Persian (fa) او-۵۱ (کریگس‌مارینه)		12
9	Czech (cs) U 51		11
10	Arabic (ar) الغواصة الألمانية يو-51 (1938)		7

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

Language versions of the article "U 51" 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-51 (1938)		45
2	German (de) U 51 (U-Boot, 1938)		41
3	French (fr) Unterseeboot 51 (1938)		13
4	Polish (pl) U-51 (1938)		11
5	Russian (ru) U-51 (1938)		7
6	Ukrainian (uk) U-51 (1938)		5
7	Czech (cs) U 51		3
8	Persian (fa) او-۵۱ (کریگس‌مارینه)		3
9	Slovenian (sl) U-51 (Kriegsmarine)		3
10	Chinese (zh) U-51号潜艇 (1938年)		2

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

Language versions of the article "U 51" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) الغواصة الألمانية يو-51 (1938)		0
2	Czech (cs) U 51		0
3	German (de) U 51 (U-Boot, 1938)		0
4	English (en) German submarine U-51 (1938)		0
5	Persian (fa) او-۵۱ (کریگس‌مارینه)		0
6	French (fr) Unterseeboot 51 (1938)		0
7	Polish (pl) U-51 (1938)		0
8	Russian (ru) U-51 (1938)		0
9	Slovenian (sl) U-51 (Kriegsmarine)		0
10	Ukrainian (uk) U-51 (1938)		0

More...

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

Language versions of the article "U 51" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) الغواصة الألمانية يو-51 (1938)		1 152
2	English (en) German submarine U-51 (1938)		758
3	French (fr) Unterseeboot 51 (1938)		713
4	Ukrainian (uk) U-51 (1938)		659
5	Vietnamese (vi) U-51 (tàu ngầm Đức) (1938)		356
6	Russian (ru) U-51 (1938)		294
7	German (de) U 51 (U-Boot, 1938)		252
8	Chinese (zh) U-51号潜艇 (1938年)		71
9	Persian (fa) او-۵۱ (کریگس‌مارینه)		40
10	Polish (pl) U-51 (1938)		36

More...

#	Language	Value
ar	Arabic الغواصة الألمانية يو-51 (1938)
cs	Czech U 51
de	German U 51 (U-Boot, 1938)
en	English German submarine U-51 (1938)
fa	Persian او-۵۱ (کریگس‌مارینه)
fr	French Unterseeboot 51 (1938)
pl	Polish U-51 (1938)
ru	Russian U-51 (1938)
sl	Slovenian U-51 (Kriegsmarine)
uk	Ukrainian U-51 (1938)
vi	Vietnamese U-51 (tàu ngầm Đức) (1938)
zh	Chinese U-51号潜艇 (1938年)

Best Rank

Czech: #152146 05.2022

Global: #1010282 02.2009

Best Rank

Czech: #8923 03.2022

Global: #65052 10.2008

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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