D-2 (U-Boot)

USS D-2 - 1909 D-class submarine. Article “D-2 (U-Boot)” in German Wikipedia has 4.6 points for quality (as of July 1, 2025). The article contains 0 references and 2 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 “D-2 (U-Boot)”, its content was written by 14 registered users of German Wikipedia and edited by 50 registered Wikipedia users in all languages.

The article is cited 10 times in German Wikipedia and cited 75 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #43452 in November 2019
• Global: #139199 in February 2005

The highest popularity rank from 2008:

• Local (German): #115947 in May 2011
• Global: #822866 in May 2011

There are 5 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) USS Grayling (SS-18)		37.2991
2	English (en) USS D-2		15.585
3	German (de) D-2 (U-Boot)		4.5708
4	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		3.0156
5	Japanese (ja) D-2 (潜水艦)		2.74

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

The most popular language versions of the article "D-2 (U-Boot)" in all the time

#	Language	Popularity award	Relative popularity
1	German (de) D-2 (U-Boot)		48 839
2	English (en) USS D-2		25 113
3	Japanese (ja) D-2 (潜水艦)		7 148
4	Polish (pl) USS Grayling (SS-18)		1 350
5	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		550

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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 "D-2 (U-Boot)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) USS D-2		163
2	German (de) D-2 (U-Boot)		70
3	Polish (pl) USS Grayling (SS-18)		11
4	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		6
5	Japanese (ja) D-2 (潜水艦)		5

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

Language versions of the article "D-2 (U-Boot)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) USS D-2		31
2	German (de) D-2 (U-Boot)		14
3	Polish (pl) USS Grayling (SS-18)		3
4	Japanese (ja) D-2 (潜水艦)		2
5	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		0

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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 "D-2 (U-Boot)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) D-2 (U-Boot)		0
2	English (en) USS D-2		0
3	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		0
4	Japanese (ja) D-2 (潜水艦)		0
5	Polish (pl) USS Grayling (SS-18)		0

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

Language versions of the article "D-2 (U-Boot)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) USS D-2		46
2	German (de) D-2 (U-Boot)		10
3	Polish (pl) USS Grayling (SS-18)		10
4	Persian (fa) یواس‌اس دی-۲ (اس‌اس-۱۸)		5
5	Japanese (ja) D-2 (潜水艦)		4

More...

#	Language	Value
de	German D-2 (U-Boot)
en	English USS D-2
fa	Persian یواس‌اس دی-۲ (اس‌اس-۱۸)
ja	Japanese D-2 (潜水艦)
pl	Polish USS Grayling (SS-18)

Best Rank

German: #115947 05.2011

Global: #822866 05.2011

Best Rank

German: #43452 11.2019

Global: #139199 02.2005

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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