Projekt 641B

cs

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Projekt 641B

Quality:

Tango-class submarine - diesel electric patrol submarine class. Article "Projekt 641B" in Czech Wikipedia has 12 points for quality (as of July 1, 2025). The article contains 1 references and 6 sections.

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

Since the creation of article "Projekt 641B", its content was written by 6 registered users of Czech Wikipedia and edited by 283 registered Wikipedia users in all languages.

The article is cited 43 times in Czech Wikipedia and cited 600 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #5534 in September 2016
  • Global: #58505 in December 2009

The highest popularity rank from 2008:

  • Local (Czech): #37388 in April 2022
  • Global: #79363 in March 2014

There are 17 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
1German (de)
Projekt 641B Som
46.1023
2Ukrainian (uk)
Підводні човни проєкту 641Б «Сом»
41.4428
3Spanish (es)
Clase Tango
36.2253
4Japanese (ja)
タンゴ型潜水艦
28.4877
5Chinese (zh)
641B型潜艇
26.4182
6Russian (ru)
Подводные лодки проекта 641Б «Сом»
25.2166
7English (en)
Tango-class submarine
24.2289
8Italian (it)
Classe Tango
13.4066
9Polish (pl)
Okręty podwodne projektu 641B
12.6849
10Lithuanian (lt)
Tango klasės povandeninis laivas
12.2258
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 "Projekt 641B" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Tango-class submarine
555 940
2Russian (ru)
Подводные лодки проекта 641Б «Сом»
305 101
3German (de)
Projekt 641B Som
150 989
4Japanese (ja)
タンゴ型潜水艦
74 866
5Polish (pl)
Okręty podwodne projektu 641B
26 136
6Italian (it)
Classe Tango
20 889
7Chinese (zh)
641B型潜艇
17 261
8Czech (cs)
Projekt 641B
12 393
9French (fr)
Classe Tango
11 384
10Spanish (es)
Clase Tango
10 476
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 "Projekt 641B" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Tango-class submarine
2 203
2Russian (ru)
Подводные лодки проекта 641Б «Сом»
1 468
3German (de)
Projekt 641B Som
421
4Japanese (ja)
タンゴ型潜水艦
252
5Spanish (es)
Clase Tango
102
6Chinese (zh)
641B型潜艇
95
7French (fr)
Classe Tango
90
8Vietnamese (vi)
Tango (lớp tàu ngầm)
49
9Italian (it)
Classe Tango
40
10Polish (pl)
Okręty podwodne projektu 641B
39
More...

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

The highest AI

Language versions of the article "Projekt 641B" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Tango-class submarine
65
2German (de)
Projekt 641B Som
50
3Italian (it)
Classe Tango
39
4Russian (ru)
Подводные лодки проекта 641Б «Сом»
38
5Polish (pl)
Okręty podwodne projektu 641B
14
6French (fr)
Classe Tango
12
7Vietnamese (vi)
Tango (lớp tàu ngầm)
12
8Japanese (ja)
タンゴ型潜水艦
11
9Chinese (zh)
641B型潜艇
10
10Ukrainian (uk)
Підводні човни проєкту 641Б «Сом»
8
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 "Projekt 641B" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Chinese (zh)
641B型潜艇
1
2Czech (cs)
Projekt 641B
0
3German (de)
Projekt 641B Som
0
4English (en)
Tango-class submarine
0
5Spanish (es)
Clase Tango
0
6Persian (fa)
زیردریایی کلاس تانگو
0
7Finnish (fi)
Projekti 641B
0
8French (fr)
Classe Tango
0
9Italian (it)
Classe Tango
0
10Japanese (ja)
タンゴ型潜水艦
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 "Projekt 641B" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Russian (ru)
Подводные лодки проекта 641Б «Сом»
104
2Swedish (sv)
Projekt 641B Som
77
3Ukrainian (uk)
Підводні човни проєкту 641Б «Сом»
76
4English (en)
Tango-class submarine
58
5German (de)
Projekt 641B Som
56
6Czech (cs)
Projekt 641B
43
7Italian (it)
Classe Tango
39
8Japanese (ja)
タンゴ型潜水艦
39
9Polish (pl)
Okręty podwodne projektu 641B
39
10French (fr)
Classe Tango
34
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
csCzech
Projekt 641B
deGerman
Projekt 641B Som
enEnglish
Tango-class submarine
esSpanish
Clase Tango
faPersian
زیردریایی کلاس تانگو
fiFinnish
Projekti 641B
frFrench
Classe Tango
itItalian
Classe Tango
jaJapanese
タンゴ型潜水艦
koKorean
프로젝트 641B 솜형 잠수함
ltLithuanian
Tango klasės povandeninis laivas
plPolish
Okręty podwodne projektu 641B
ruRussian
Подводные лодки проекта 641Б «Сом»
svSwedish
Projekt 641B Som
ukUkrainian
Підводні човни проєкту 641Б «Сом»
viVietnamese
Tango (lớp tàu ngầm)
zhChinese
641B型潜艇

Popularity rank trends

Best Rank Czech:
#37388
04.2022
Global:
#79363
03.2014

AI rank trends

Best Rank Czech:
#5534
09.2016
Global:
#58505
12.2009

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Tango-class submarine from Wikipedia articles about Foxtrot-class submarine, Kilo-class submarine, List of Soviet and Russian submarine classes, B-515 and Soviet Navy. Whereas reading the article about Tango-class submarine people most often go to Wikipedia articles on Kilo-class submarine, Foxtrot-class submarine, B-515, B-396 and B-380.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Czech Wikipedia the most popular articles on that day were: RSS, János Hunyadi, Margita Balaštíková, Alžběta Lucemburská, ISO 8859-2, Trosečník (film, 2000), Vladislav Jagellonský, Elton John, Jan Jakob, Jitka Molavcová.

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