U-109

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U-109

Quality:

U-109 - 1940 Type IXB submarine. Article “U-109” in Portuguese Wikipedia has 23.7 points for quality (as of July 1, 2025). The article contains 7 references and 8 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-109”, its content was written by 7 registered users of Portuguese Wikipedia and edited by 157 registered Wikipedia users in all languages.

The article is cited 39 times in Portuguese Wikipedia and cited 2295 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #6205 in November 2021
  • Global: #75278 in February 2010

The highest popularity rank from 2008:

  • Local (Portuguese): #232423 in December 2010
  • Global: #277345 in July 2010

There are 11 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-109 (tàu ngầm Đức) (1940)
53.8303
2English (en)
German submarine U-109 (1940)
53.5855
3German (de)
U 109 (U-Boot, 1940)
38.1888
4Ukrainian (uk)
U-109 (1940)
33.8004
5Portuguese (pt)
U-109
23.7237
6Arabic (ar)
الغواصة الألمانية يو-109 (1940)
19.172
7French (fr)
Unterseeboot 109 (1940)
12.5847
8Slovenian (sl)
U-109 (Kriegsmarine)
5.6882
9Dutch (nl)
U 109 (Kriegsmarine)
4.0586
10Persian (fa)
زیردریایی یو-۱۰۹ (۱۹۴۰)
3.1273
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-109" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-109 (1940)
48 733
2German (de)
U 109 (U-Boot, 1940)
43 748
3Russian (ru)
U-109 (1940)
9 408
4French (fr)
Unterseeboot 109 (1940)
5 088
5Portuguese (pt)
U-109
3 535
6Dutch (nl)
U 109 (Kriegsmarine)
3 316
7Slovenian (sl)
U-109 (Kriegsmarine)
1 624
8Arabic (ar)
الغواصة الألمانية يو-109 (1940)
352
9Ukrainian (uk)
U-109 (1940)
296
10Persian (fa)
زیردریایی یو-۱۰۹ (۱۹۴۰)
285
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-109" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-109 (1940)
378
2German (de)
U 109 (U-Boot, 1940)
191
3French (fr)
Unterseeboot 109 (1940)
20
4Portuguese (pt)
U-109
16
5Russian (ru)
U-109 (1940)
15
6Persian (fa)
زیردریایی یو-۱۰۹ (۱۹۴۰)
14
7Ukrainian (uk)
U-109 (1940)
9
8Vietnamese (vi)
U-109 (tàu ngầm Đức) (1940)
9
9Dutch (nl)
U 109 (Kriegsmarine)
6
10Arabic (ar)
الغواصة الألمانية يو-109 (1940)
5
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-109" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
U 109 (U-Boot, 1940)
52
2English (en)
German submarine U-109 (1940)
50
3Dutch (nl)
U 109 (Kriegsmarine)
17
4French (fr)
Unterseeboot 109 (1940)
14
5Portuguese (pt)
U-109
7
6Russian (ru)
U-109 (1940)
5
7Ukrainian (uk)
U-109 (1940)
5
8Persian (fa)
زیردریایی یو-۱۰۹ (۱۹۴۰)
2
9Slovenian (sl)
U-109 (Kriegsmarine)
2
10Vietnamese (vi)
U-109 (tàu ngầm Đức) (1940)
2
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-109" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
German submarine U-109 (1940)
1
2Arabic (ar)
الغواصة الألمانية يو-109 (1940)
0
3German (de)
U 109 (U-Boot, 1940)
0
4Persian (fa)
زیردریایی یو-۱۰۹ (۱۹۴۰)
0
5French (fr)
Unterseeboot 109 (1940)
0
6Dutch (nl)
U 109 (Kriegsmarine)
0
7Portuguese (pt)
U-109
0
8Russian (ru)
U-109 (1940)
0
9Slovenian (sl)
U-109 (Kriegsmarine)
0
10Ukrainian (uk)
U-109 (1940)
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-109" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Arabic (ar)
الغواصة الألمانية يو-109 (1940)
1 150
2German (de)
U 109 (U-Boot, 1940)
256
3Ukrainian (uk)
U-109 (1940)
217
4Russian (ru)
U-109 (1940)
201
5French (fr)
Unterseeboot 109 (1940)
180
6English (en)
German submarine U-109 (1940)
169
7Vietnamese (vi)
U-109 (tàu ngầm Đức) (1940)
57
8Portuguese (pt)
U-109
39
9Slovenian (sl)
U-109 (Kriegsmarine)
19
10Dutch (nl)
U 109 (Kriegsmarine)
7
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
الغواصة الألمانية يو-109 (1940)
deGerman
U 109 (U-Boot, 1940)
enEnglish
German submarine U-109 (1940)
faPersian
زیردریایی یو-۱۰۹ (۱۹۴۰)
frFrench
Unterseeboot 109 (1940)
nlDutch
U 109 (Kriegsmarine)
ptPortuguese
U-109
ruRussian
U-109 (1940)
slSlovenian
U-109 (Kriegsmarine)
ukUkrainian
U-109 (1940)
viVietnamese
U-109 (tàu ngầm Đức) (1940)

Popularity rank trends

Best Rank Portuguese:
#232423
12.2010 		Global:
#277345
07.2010

AI rank trends

Best Rank Portuguese:
#6205
11.2021 		Global:
#75278
02.2010

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on U-109 from Wikipedia articles about Heinrich Bleichrodt, Type IX submarine, Second Happy Time, Cocoa Beach and U-108. Whereas reading the article about U-109 people most often go to Wikipedia articles on Heinrich Bleichrodt, U-110, Type IX submarine, Consolidated B-24 Liberator and List of shipwrecks in February 1942.

Cumulative results of quality and popularity of the Wikipedia article

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

en: German submarine U-109 (1940)
de: U 109 (U-Boot, 1940)
ru: U-109 (1940)
fr: Unterseeboot 109 (1940)
pt: U-109
nl: U 109 (Kriegsmarine)
sl: U-109 (Kriegsmarine)
ar: الغواصة الألمانية يو-109 (1940)
uk: U-109 (1940)
fa: زیردریایی یو-۱۰۹ (۱۹۴۰)
vi: U-109 (tàu ngầm Đức) (1940)

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 Portuguese Wikipedia the most popular articles on that day were: Lucas Paquetá, Vírus Nipah, Nilton César, Gerardo Renault, Campeonato Brasileiro de Futebol de 2026 - Série B, Fernando Mamede, António José Seguro, Big Brother Brasil 26, Trace Brasil, Relógio do Juízo Final.

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