81 aC

81 BC - year. Article “81 aC” in Catalan Wikipedia has 30.2 points for quality (as of July 1, 2026). The article contains 11 references and 5 sections.

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

Since the creation of article “81 aC”, its content was written by 8 registered users of Catalan Wikipedia and edited by 547 registered Wikipedia users in all languages.

The article is cited 67 times in Catalan Wikipedia and cited 1786 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #1977 in May 2008
• Global: #4474 in January 2009

The highest popularity rank from 2008:

• Local (Catalan): #25880 in June 2011
• Global: #325472 in January 2008

There are 43 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, 2026 (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	Catalan (ca) 81 aC		30.1649
2	Russian (ru) 81 год до н. э.		29.1435
3	Bulgarian (bg) 81 г. пр.н.е.		26.7216
4	French (fr) 81 av. J.-C.		23.3821
5	Arabic (ar) 81 ق م		22.8322
6	Lithuanian (lt) 81 m. pr. m. e.		22.7169
7	Czech (cs) 81 př. n. l.		19.2113
8	Galician (gl) -81		8.5308
9	English (en) 81 BC		7.3457
10	Malay (ms) 81 SM		6.6105

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

The most popular language versions of the article "81 aC" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 81 BC		48 120
2	Spanish (es) 81 a. C.		22 186
3	French (fr) 81 av. J.-C.		20 398
4	Russian (ru) 81 год до н. э.		20 217
5	German (de) 81 v. Chr.		16 931
6	Italian (it) 81 a.C.		14 709
7	Chinese (zh) 前81年		9 960
8	Japanese (ja) 紀元前81年		8 854
9	Portuguese (pt) 81 a.C.		7 485
10	Dutch (nl) 81 v.Chr.		6 829

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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 "81 aC" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) 81 BC		87
2	Chinese (zh) 前81年		56
3	French (fr) 81 av. J.-C.		45
4	Italian (it) 81 a.C.		30
5	German (de) 81 v. Chr.		26
6	Japanese (ja) 紀元前81年		22
7	Norwegian (no) 81 f.Kr.		19
8	Spanish (es) 81 a. C.		18
9	Turkish (tr) MÖ 81		17
10	Catalan (ca) 81 aC		16

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

Language versions of the article "81 aC" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	French (fr) 81 av. J.-C.		59
2	German (de) 81 v. Chr.		56
3	Dutch (nl) 81 v.Chr.		46
4	Italian (it) 81 a.C.		39
5	Russian (ru) 81 год до н. э.		37
6	English (en) 81 BC		29
7	Danish (da) 81 f.Kr.		28
8	Hungarian (hu) I. e. 81		25
9	Latin (la) 81 a.C.n.		24
10	Galician (gl) -81		18

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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 "81 aC" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Basque (eu) K.a. 81		1
2	Arabic (ar) 81 ق م		0
3	Belarusian (be) 81 да н.э.		0
4	Bulgarian (bg) 81 г. пр.н.е.		0
5	Catalan (ca) 81 aC		0
6	Czech (cs) 81 př. n. l.		0
7	Danish (da) 81 f.Kr.		0
8	German (de) 81 v. Chr.		0
9	Greek (el) 81 π.Χ.		0
10	English (en) 81 BC		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 "81 aC" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) 81 год до н. э.		176
2	Japanese (ja) 紀元前81年		165
3	Bulgarian (bg) 81 г. пр.н.е.		128
4	Finnish (fi) 81 eaa.		121
5	Italian (it) 81 a.C.		106
6	Persian (fa) ۸۱ (پیش از میلاد)		100
7	Norwegian (Nynorsk) (nn) -81		99
8	French (fr) 81 av. J.-C.		92
9	Catalan (ca) 81 aC		67
10	Ukrainian (uk) 81 до н. е.		54

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#	Language	Value
ar	Arabic 81 ق م
be	Belarusian 81 да н.э.
bg	Bulgarian 81 г. пр.н.е.
ca	Catalan 81 aC
cs	Czech 81 př. n. l.
da	Danish 81 f.Kr.
de	German 81 v. Chr.
el	Greek 81 π.Χ.
en	English 81 BC
eo	Esperanto -81
es	Spanish 81 a. C.
et	Estonian 81 eKr
eu	Basque K.a. 81
fa	Persian ۸۱ (پیش از میلاد)
fi	Finnish 81 eaa.
fr	French 81 av. J.-C.
gl	Galician -81
hu	Hungarian I. e. 81
hy	Armenian Մ.թ.ա. 81
it	Italian 81 a.C.
ja	Japanese 紀元前81年
ka	Georgian ძვ. წ. 81
kk	Kazakh Б. з. д. 81 жыл
ko	Korean 기원전 81년
la	Latin 81 a.C.n.
lt	Lithuanian 81 m. pr. m. e.
ms	Malay 81 SM
nl	Dutch 81 v.Chr.
nn	Norwegian (Nynorsk) -81
no	Norwegian 81 f.Kr.
pt	Portuguese 81 a.C.
ro	Romanian 81 î.Hr.
ru	Russian 81 год до н. э.
sh	Serbo-Croatian 81. pr. n. e.
sk	Slovak 81 pred Kr.
sr	Serbian 81. п. н. е.
sv	Swedish 81 f.Kr.
th	Thai พ.ศ. 463
tr	Turkish MÖ 81
uk	Ukrainian 81 до н. е.
uz	Uzbek Mil. av. 81
vi	Vietnamese 81 TCN
zh	Chinese 前81年

Best Rank

Catalan: #25880 06.2011

Global: #325472 01.2008

Best Rank

Catalan: #1977 05.2008

Global: #4474 01.2009

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information