U-1

U-1 - 1935 Type IIA submarine. Article “U-1” in Portuguese Wikipedia has 11.1 points for quality (as of July 1, 2025). The article contains 1 references and 4 sections.

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

Since the creation of article “U-1”, its content was written by 8 registered users of Portuguese Wikipedia and edited by 289 registered Wikipedia users in all languages.

The article is cited 15 times in Portuguese Wikipedia and cited 1945 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #7534 in August 2021
• Global: #22468 in October 2008

The highest popularity rank from 2008:

• Local (Portuguese): #193006 in May 2010
• Global: #312507 in January 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.

#	Language	Quality grade	Quality score
1	Polish (pl) U-1 (1935)		41.5068
2	Vietnamese (vi) U-1 (tàu ngầm Đức) (1935)		35.3983
3	Chinese (zh) U-1号潜艇 (1935年)		34.3734
4	Dutch (nl) U 1 (Kriegsmarine)		30.191
5	Persian (fa) او-۱ (کریگس‌مارینه)		28.2096
6	English (en) German submarine U-1 (1935)		27.7839
7	Hungarian (hu) U–1 (második világháborús tengeralattjáró)		20.4455
8	Russian (ru) U-1 (1935)		17.6
9	Spanish (es) Submarino U 1 (1935)		16.1996
10	Arabic (ar) الغواصة الألمانية يو-1 (1935)		15.7791

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "U-1" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-1 (1935)		148 095
2	German (de) U 1 (U-Boot, 1935)		76 678
3	Russian (ru) U-1 (1935)		69 753
4	Polish (pl) U-1 (1935)		37 929
5	Spanish (es) Submarino U 1 (1935)		25 996
6	French (fr) Unterseeboot 1 (1935)		12 028
7	Dutch (nl) U 1 (Kriegsmarine)		8 924
8	Portuguese (pt) U-1		7 282
9	Serbian (sr) Немачка подморница У-1		5 472
10	Korean (ko) U-1 (1935년)		5 001

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "U-1" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-1 (1935)		587
2	German (de) U 1 (U-Boot, 1935)		396
3	Russian (ru) U-1 (1935)		222
4	Polish (pl) U-1 (1935)		127
5	Chinese (zh) U-1号潜艇 (1935年)		58
6	Spanish (es) Submarino U 1 (1935)		54
7	French (fr) Unterseeboot 1 (1935)		40
8	Persian (fa) او-۱ (کریگس‌مارینه)		37
9	Arabic (ar) الغواصة الألمانية يو-1 (1935)		27
10	Dutch (nl) U 1 (Kriegsmarine)		25

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

Language versions of the article "U-1" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) U 1 (U-Boot, 1935)		80
2	English (en) German submarine U-1 (1935)		54
3	French (fr) Unterseeboot 1 (1935)		25
4	Polish (pl) U-1 (1935)		23
5	Russian (ru) U-1 (1935)		20
6	Dutch (nl) U 1 (Kriegsmarine)		19
7	Spanish (es) Submarino U 1 (1935)		16
8	Ukrainian (uk) U-1 (1935)		12
9	Portuguese (pt) U-1		8
10	Slovenian (sl) U-1 (Kriegsmarine)		7

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

Language versions of the article "U-1" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) الغواصة الألمانية يو-1 (1935)		0
2	German (de) U 1 (U-Boot, 1935)		0
3	English (en) German submarine U-1 (1935)		0
4	Spanish (es) Submarino U 1 (1935)		0
5	Persian (fa) او-۱ (کریگس‌مارینه)		0
6	French (fr) Unterseeboot 1 (1935)		0
7	Hungarian (hu) U–1 (második világháborús tengeralattjáró)		0
8	Korean (ko) U-1 (1935년)		0
9	Dutch (nl) U 1 (Kriegsmarine)		0
10	Polish (pl) U-1 (1935)		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "U-1" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) الغواصة الألمانية يو-1 (1935)		1 153
2	German (de) U 1 (U-Boot, 1935)		254
3	English (en) German submarine U-1 (1935)		129
4	Ukrainian (uk) U-1 (1935)		61
5	French (fr) Unterseeboot 1 (1935)		57
6	Chinese (zh) U-1号潜艇 (1935年)		57
7	Russian (ru) U-1 (1935)		53
8	Vietnamese (vi) U-1 (tàu ngầm Đức) (1935)		51
9	Polish (pl) U-1 (1935)		44
10	Persian (fa) او-۱ (کریگس‌مارینه)		27

More...

#	Language	Value
ar	Arabic الغواصة الألمانية يو-1 (1935)
de	German U 1 (U-Boot, 1935)
en	English German submarine U-1 (1935)
es	Spanish Submarino U 1 (1935)
fa	Persian او-۱ (کریگس‌مارینه)
fr	French Unterseeboot 1 (1935)
hu	Hungarian U–1 (második világháborús tengeralattjáró)
ko	Korean U-1 (1935년)
nl	Dutch U 1 (Kriegsmarine)
pl	Polish U-1 (1935)
pt	Portuguese U-1
ru	Russian U-1 (1935)
sl	Slovenian U-1 (Kriegsmarine)
sr	Serbian Немачка подморница У-1
uk	Ukrainian U-1 (1935)
vi	Vietnamese U-1 (tàu ngầm Đức) (1935)
zh	Chinese U-1号潜艇 (1935年)

Best Rank

Portuguese: #193006 05.2010

Global: #312507 01.2014

Best Rank

Portuguese: #7534 08.2021

Global: #22468 10.2008

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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