U-989

pt

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U-989

Quality:

U-989 - 1943 Type VIIC submarine. Article “U-989” in Portuguese Wikipedia has 21.4 points for quality (as of July 1, 2025). The article contains 8 references and 6 sections.

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

Since the creation of article “U-989”, its content was written by 2 registered users of Portuguese Wikipedia and edited by 64 registered Wikipedia users in all languages.

The article is cited 574 times in Portuguese Wikipedia and cited 4548 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #17583 in October 2017
  • Global: #210442 in December 2014

The highest popularity rank from 2008:

  • Local (Portuguese): #223462 in May 2023
  • Global: #1098665 in December 2008

There are 8 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
1English (en)
German submarine U-989
21.5299
2Arabic (ar)
الغواصة الألمانية يو-989
21.483
3Portuguese (pt)
U-989
21.3787
4French (fr)
Unterseeboot 989
16.7209
5Ukrainian (uk)
U-989
15.7324
6German (de)
U 989
12.6547
7Slovenian (sl)
U-989
6.8996
8Persian (fa)
زیردریایی یو-۹۸۹
1.2511
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-989" in all the time
#LanguagePopularity awardRelative popularity
1German (de)
U 989
20 744
2English (en)
German submarine U-989
8 349
3Portuguese (pt)
U-989
1 355
4French (fr)
Unterseeboot 989
1 094
5Slovenian (sl)
U-989
753
6Arabic (ar)
الغواصة الألمانية يو-989
436
7Ukrainian (uk)
U-989
297
8Persian (fa)
زیردریایی یو-۹۸۹
202
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-989" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
German submarine U-989
59
2German (de)
U 989
40
3French (fr)
Unterseeboot 989
6
4Slovenian (sl)
U-989
5
5Arabic (ar)
الغواصة الألمانية يو-989
4
6Portuguese (pt)
U-989
4
7Ukrainian (uk)
U-989
4
8Persian (fa)
زیردریایی یو-۹۸۹
1
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-989" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
U 989
22
2English (en)
German submarine U-989
20
3French (fr)
Unterseeboot 989
10
4Persian (fa)
زیردریایی یو-۹۸۹
4
5Ukrainian (uk)
U-989
4
6Portuguese (pt)
U-989
2
7Arabic (ar)
الغواصة الألمانية يو-989
1
8Slovenian (sl)
U-989
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-989" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
الغواصة الألمانية يو-989
0
2German (de)
U 989
0
3English (en)
German submarine U-989
0
4Persian (fa)
زیردریایی یو-۹۸۹
0
5French (fr)
Unterseeboot 989
0
6Portuguese (pt)
U-989
0
7Slovenian (sl)
U-989
0
8Ukrainian (uk)
U-989
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-989" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Arabic (ar)
الغواصة الألمانية يو-989
1 152
2English (en)
German submarine U-989
770
3French (fr)
Unterseeboot 989
711
4Ukrainian (uk)
U-989
652
5Slovenian (sl)
U-989
587
6Portuguese (pt)
U-989
574
7German (de)
U 989
87
8Persian (fa)
زیردریایی یو-۹۸۹
15
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-989
deGerman
U 989
enEnglish
German submarine U-989
faPersian
زیردریایی یو-۹۸۹
frFrench
Unterseeboot 989
ptPortuguese
U-989
slSlovenian
U-989
ukUkrainian
U-989

Popularity rank trends

Best Rank Portuguese:
#223462
05.2023
Global:
#1098665
12.2008

AI rank trends

Best Rank Portuguese:
#17583
10.2017
Global:
#210442
12.2014

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 989
pt: U-989
sl: U-989
uk: U-989

News from 10 March 2026

On 10 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Iran, Mojtaba Khamenei, Enhypen, Ali Khamenei, Strait of Hormuz, Jeffrey Epstein, 2026 Iran war, 2026 World Baseball Classic, Donald Trump, World Baseball Classic.

In Portuguese Wikipedia the most popular articles on that day were: Roger Machado, Daniel Vorcaro, Fotos dos Mamonas Assassinas mortos, António José Seguro, Heeseung, Enhypen, Andrew Tate, Jeffrey Epstein, Assassinatos de Liana Friedenbach e Felipe Caffé, Margarida Maldonado Freitas.

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