Black triangle (UFO)

Black triangle - class of UFOs, with certain common features which have reportedly been observed during the 20th and 21st centuries. Article “Black triangle (UFO)” in English Wikipedia has 48.9 points for quality (as of July 1, 2025). The article contains 28 references and 13 sections.

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

In June 2025 the article “Black triangle (UFO)” was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “Black triangle (UFO)”, its content was written by 304 registered users of English Wikipedia and edited by 433 registered Wikipedia users in all languages.

The article is cited 377 times in English Wikipedia and cited 1299 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #3710 in June 2005
• Global: #18388 in June 2005

The highest popularity rank from 2008:

• Local (English): #11611 in September 2020
• Global: #28224 in July 2019

There are 12 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	English (en) Black triangle (UFO)		48.8969
2	Italian (it) Triangolo nero (UFO)		27.9044
3	Croatian (hr) Crni trokut (NLO)		25.5977
4	Portuguese (pt) Triângulo preto (OVNI)		21.7794
5	Chinese (zh) 黑三角幽浮		21.6398
6	Bulgarian (bg) Черен триъгълник		19.9917
7	Turkish (tr) Siyah üçgen (UFO)		15.6491
8	French (fr) Triangle noir (ufologie)		12.3449
9	Spanish (es) Triángulo negro (ufología)		11.0798
10	Vietnamese (vi) UFO hình tam giác đen		9.7875

More...

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

The most popular language versions of the article "Black triangle (UFO)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Black triangle (UFO)		4 384 062
2	Spanish (es) Triángulo negro (ufología)		81 143
3	Polish (pl) Czarne trójkąty		79 715
4	French (fr) Triangle noir (ufologie)		65 780
5	Portuguese (pt) Triângulo preto (OVNI)		47 984
6	Italian (it) Triangolo nero (UFO)		20 537
7	Vietnamese (vi) UFO hình tam giác đen		19 905
8	Bulgarian (bg) Черен триъгълник		10 279
9	Serbian (sr) Црни троугао (НЛО)		3 691
10	Croatian (hr) Crni trokut (NLO)		1 387

More...

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 "Black triangle (UFO)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Black triangle (UFO)		14 743
2	French (fr) Triangle noir (ufologie)		359
3	Polish (pl) Czarne trójkąty		295
4	Spanish (es) Triángulo negro (ufología)		240
5	Portuguese (pt) Triângulo preto (OVNI)		222
6	Italian (it) Triangolo nero (UFO)		111
7	Chinese (zh) 黑三角幽浮		86
8	Bulgarian (bg) Черен триъгълник		58
9	Vietnamese (vi) UFO hình tam giác đen		35
10	Serbian (sr) Црни троугао (НЛО)		30

More...

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

Language versions of the article "Black triangle (UFO)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Black triangle (UFO)		304
2	French (fr) Triangle noir (ufologie)		36
3	Spanish (es) Triángulo negro (ufología)		26
4	Vietnamese (vi) UFO hình tam giác đen		23
5	Italian (it) Triangolo nero (UFO)		11
6	Polish (pl) Czarne trójkąty		10
7	Portuguese (pt) Triângulo preto (OVNI)		8
8	Serbian (sr) Црни троугао (НЛО)		6
9	Bulgarian (bg) Черен триъгълник		4
10	Croatian (hr) Crni trokut (NLO)		2

More...

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

Language versions of the article "Black triangle (UFO)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Black triangle (UFO)		2
2	Bulgarian (bg) Черен триъгълник		0
3	Spanish (es) Triángulo negro (ufología)		0
4	French (fr) Triangle noir (ufologie)		0
5	Croatian (hr) Crni trokut (NLO)		0
6	Italian (it) Triangolo nero (UFO)		0
7	Polish (pl) Czarne trójkąty		0
8	Portuguese (pt) Triângulo preto (OVNI)		0
9	Serbian (sr) Црни троугао (НЛО)		0
10	Turkish (tr) Siyah üçgen (UFO)		0

More...

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

Language versions of the article "Black triangle (UFO)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Vietnamese (vi) UFO hình tam giác đen		415
2	English (en) Black triangle (UFO)		377
3	Italian (it) Triangolo nero (UFO)		164
4	French (fr) Triangle noir (ufologie)		104
5	Portuguese (pt) Triângulo preto (OVNI)		102
6	Chinese (zh) 黑三角幽浮		90
7	Turkish (tr) Siyah üçgen (UFO)		22
8	Spanish (es) Triángulo negro (ufología)		16
9	Bulgarian (bg) Черен триъгълник		3
10	Croatian (hr) Crni trokut (NLO)		3

More...

#	Language	Value
bg	Bulgarian Черен триъгълник
en	English Black triangle (UFO)
es	Spanish Triángulo negro (ufología)
fr	French Triangle noir (ufologie)
hr	Croatian Crni trokut (NLO)
it	Italian Triangolo nero (UFO)
pl	Polish Czarne trójkąty
pt	Portuguese Triângulo preto (OVNI)
sr	Serbian Црни троугао (НЛО)
tr	Turkish Siyah üçgen (UFO)
vi	Vietnamese UFO hình tam giác đen
zh	Chinese 黑三角幽浮

Best Rank

English: #11611 09.2020

Global: #28224 07.2019

Best Rank

English: #3710 06.2005

Global: #18388 06.2005

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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