U-397

ru

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U-397

Quality:

U-397 - 1943 Type VIIC submarine. Article “U-397” in Russian Wikipedia has 7.7 points for quality (as of July 1, 2025). The article contains 0 references and 7 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-397”, its content was written by 3 registered users of Russian Wikipedia and edited by 48 registered Wikipedia users in all languages.

The article is cited 296 times in Russian Wikipedia and cited 5342 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Russian): #87988 in July 2020
  • Global: #138935 in June 2016

The highest popularity rank from 2008:

  • Local (Russian): #446006 in October 2011
  • Global: #1469841 in July 2023

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-397 (tàu ngầm Đức)
37.9796
2English (en)
German submarine U-397
21.6811
3Portuguese (pt)
U-397
19.2016
4Arabic (ar)
الغواصة الألمانية يو-397
13.9811
5Ukrainian (uk)
U-397
13.9287
6Spanish (es)
Submarino U-397
12.2971
7French (fr)
Unterseeboot 397
10.3872
8Russian (ru)
U-397
7.6766
9Slovenian (sl)
U-397
6.8555
10Persian (fa)
زیردریایی یو-۳۹۷
1.1833
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-397" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-397
8 995
2Russian (ru)
U-397
4 308
3French (fr)
Unterseeboot 397
1 433
4Portuguese (pt)
U-397
1 248
5Slovenian (sl)
U-397
924
6Spanish (es)
Submarino U-397
607
7Arabic (ar)
الغواصة الألمانية يو-397
416
8Persian (fa)
زیردریایی یو-۳۹۷
377
9Vietnamese (vi)
U-397 (tàu ngầm Đức)
114
10Ukrainian (uk)
U-397
51
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-397" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-397
38
2French (fr)
Unterseeboot 397
14
3Russian (ru)
U-397
9
4Vietnamese (vi)
U-397 (tàu ngầm Đức)
9
5Spanish (es)
Submarino U-397
7
6Slovenian (sl)
U-397
5
7Portuguese (pt)
U-397
4
8Persian (fa)
زیردریایی یو-۳۹۷
3
9Ukrainian (uk)
U-397
3
10Arabic (ar)
الغواصة الألمانية يو-397
2
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-397" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
German submarine U-397
17
2French (fr)
Unterseeboot 397
11
3Spanish (es)
Submarino U-397
4
4Persian (fa)
زیردریایی یو-۳۹۷
3
5Russian (ru)
U-397
3
6Ukrainian (uk)
U-397
3
7Portuguese (pt)
U-397
2
8Slovenian (sl)
U-397
2
9Vietnamese (vi)
U-397 (tàu ngầm Đức)
2
10Arabic (ar)
الغواصة الألمانية يو-397
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-397" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Vietnamese (vi)
U-397 (tàu ngầm Đức)
1
2Arabic (ar)
الغواصة الألمانية يو-397
0
3English (en)
German submarine U-397
0
4Spanish (es)
Submarino U-397
0
5Persian (fa)
زیردریایی یو-۳۹۷
0
6French (fr)
Unterseeboot 397
0
7Portuguese (pt)
U-397
0
8Russian (ru)
U-397
0
9Slovenian (sl)
U-397
0
10Ukrainian (uk)
U-397
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-397" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Arabic (ar)
الغواصة الألمانية يو-397
1 151
2English (en)
German submarine U-397
929
3French (fr)
Unterseeboot 397
713
4Ukrainian (uk)
U-397
649
5Slovenian (sl)
U-397
587
6Portuguese (pt)
U-397
576
7Vietnamese (vi)
U-397 (tàu ngầm Đức)
355
8Russian (ru)
U-397
296
9Persian (fa)
زیردریایی یو-۳۹۷
84
10Spanish (es)
Submarino U-397
2
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
الغواصة الألمانية يو-397
enEnglish
German submarine U-397
esSpanish
Submarino U-397
faPersian
زیردریایی یو-۳۹۷
frFrench
Unterseeboot 397
ptPortuguese
U-397
ruRussian
U-397
slSlovenian
U-397
ukUkrainian
U-397
viVietnamese
U-397 (tàu ngầm Đức)

Popularity rank trends

Best Rank Russian:
#446006
10.2011
Global:
#1469841
07.2023

AI rank trends

Best Rank Russian:
#87988
07.2020
Global:
#138935
06.2016

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-397
pt: U-397
sl: U-397
uk: U-397

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 Russian Wikipedia the most popular articles on that day were: Олейников, Александр Анатольевич, Яндекс, Часы Судного дня, Список умерших в 2026 году, Comatozze, Блокада Ленинграда, Очень странные дела, Богомолов, Константин Юрьевич, Горничная (фильм, 2025), Аш-Шараа, Ахмед.

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