U-669

pt

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U-669

Quality:

U-669 - 1942 Type VIIC submarine. Article “U-669” in Portuguese Wikipedia has 19.4 points for quality (as of July 1, 2025). The article contains 7 references and 5 sections.

This article has the best quality in German Wikipedia. Also, this article is the most popular in that (Portuguese) language version.

Since the creation of article “U-669”, its content was written by 2 registered users of Portuguese Wikipedia and edited by 60 registered Wikipedia users in all languages.

The article is cited 574 times in Portuguese Wikipedia and cited 3431 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #44184 in October 2023
  • Global: #177968 in January 2012

The highest popularity rank from 2008:

  • Local (Portuguese): #323883 in May 2015
  • Global: #1065612 in September 2010

There are 7 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)
U 669
24.0703
2Portuguese (pt)
U-669
19.4313
3English (en)
German submarine U-669
18.0187
4Ukrainian (uk)
U-669
13.606
5French (fr)
Unterseeboot 669
10.5557
6Slovenian (sl)
U-669
6.8759
7Dutch (nl)
U 669 (Kriegsmarine)
4.038
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-669" in all the time
#LanguagePopularity awardRelative popularity
1German (de)
U 669
18 185
2English (en)
German submarine U-669
9 015
3Dutch (nl)
U 669 (Kriegsmarine)
3 112
4Portuguese (pt)
U-669
1 254
5Slovenian (sl)
U-669
771
6French (fr)
Unterseeboot 669
726
7Ukrainian (uk)
U-669
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-669" in June 2025
#LanguagePopularity awardRelative popularity
1German (de)
U 669
120
2English (en)
German submarine U-669
100
3French (fr)
Unterseeboot 669
13
4Dutch (nl)
U 669 (Kriegsmarine)
11
5Portuguese (pt)
U-669
7
6Ukrainian (uk)
U-669
3
7Slovenian (sl)
U-669
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-669" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
U 669
16
2English (en)
German submarine U-669
16
3Dutch (nl)
U 669 (Kriegsmarine)
13
4French (fr)
Unterseeboot 669
8
5Ukrainian (uk)
U-669
3
6Portuguese (pt)
U-669
2
7Slovenian (sl)
U-669
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-669" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
U 669
0
2English (en)
German submarine U-669
0
3French (fr)
Unterseeboot 669
0
4Dutch (nl)
U 669 (Kriegsmarine)
0
5Portuguese (pt)
U-669
0
6Slovenian (sl)
U-669
0
7Ukrainian (uk)
U-669
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-669" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
German submarine U-669
778
2French (fr)
Unterseeboot 669
711
3Ukrainian (uk)
U-669
646
4Slovenian (sl)
U-669
586
5Portuguese (pt)
U-669
574
6German (de)
U 669
131
7Dutch (nl)
U 669 (Kriegsmarine)
5
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
deGerman
U 669
enEnglish
German submarine U-669
frFrench
Unterseeboot 669
nlDutch
U 669 (Kriegsmarine)
ptPortuguese
U-669
slSlovenian
U-669
ukUkrainian
U-669

Popularity rank trends

Best Rank Portuguese:
#323883
05.2015 		Global:
#1065612
09.2010

AI rank trends

Best Rank Portuguese:
#44184
10.2023 		Global:
#177968
01.2012

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):

de: U 669
en: German submarine U-669
nl: U 669 (Kriegsmarine)
pt: U-669
sl: U-669
fr: Unterseeboot 669
uk: U-669

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In Portuguese Wikipedia the most popular articles on that day were: Lucas Pinheiro Braathen, Jeffrey Epstein, Isadora Cruz, Shawn Mendes, Maria Quitéria, Arquivos de Epstein, Dia dos Namorados, Léa Garcia, Margaret Thatcher, Trace Brasil.

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