-421

421 BC - year. Article “-421” in Galician Wikipedia has 7.1 points for quality (as of July 1, 2025). The article contains 0 references and 7 sections.

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

Since the creation of article “-421”, its content was written by 16 registered users of Galician Wikipedia and edited by 535 registered Wikipedia users in all languages.

The article is cited 28 times in Galician Wikipedia and cited 1330 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Galician): #1278 in May 2008
• Global: #5144 in May 2008

The highest popularity rank from 2008:

• Local (Galician): #12996 in January 2009
• Global: #326479 in June 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, 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	Portuguese (pt) 421 a.C.		28.9729
2	Catalan (ca) 421 aC		24.8653
3	French (fr) 421 av. J.-C.		22.9161
4	Arabic (ar) 421 ق م		22.8426
5	Lithuanian (lt) 421 m. pr. m. e.		22.7092
6	Russian (ru) 421 год до н. э.		21.2842
7	Finnish (fi) 421 eaa.		16.5565
8	English (en) 421 BC		15.3683
9	Hungarian (hu) I. e. 421		14.9195
10	Swedish (sv) 421 f.Kr.		9.6557

More...

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

The most popular language versions of the article "-421" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 421 BC		44 784
2	Polish (pl) 421 p.n.e.		35 282
3	Spanish (es) 421 a. C.		21 039
4	Italian (it) 421 a.C.		16 715
5	French (fr) 421 av. J.-C.		14 738
6	Russian (ru) 421 год до н. э.		13 881
7	German (de) 421 v. Chr.		9 810
8	Ukrainian (uk) 421 до н. е.		8 058
9	Portuguese (pt) 421 a.C.		6 593
10	Greek (el) 421 π.Χ.		6 362

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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 "-421" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) 421 BC		167
2	Russian (ru) 421 год до н. э.		50
3	Chinese (zh) 前421年		42
4	Italian (it) 421 a.C.		41
5	Catalan (ca) 421 aC		38
6	German (de) 421 v. Chr.		34
7	Esperanto (eo) -421		32
8	Portuguese (pt) 421 a.C.		30
9	French (fr) 421 av. J.-C.		28
10	Serbo-Croatian (sh) 421. pr. n. e.		22

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

Language versions of the article "-421" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	French (fr) 421 av. J.-C.		56
2	Dutch (nl) 421 v.Chr.		50
3	Italian (it) 421 a.C.		43
4	English (en) 421 BC		36
5	Norwegian (no) 421 f.Kr.		31
6	Russian (ru) 421 год до н. э.		30
7	Danish (da) 421 f.Kr.		29
8	Hungarian (hu) I. e. 421		26
9	Latin (la) 421 a.C.n.		22
10	German (de) 421 v. Chr.		19

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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 "-421" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Japanese (ja) 紀元前421年		1
2	Russian (ru) 421 год до н. э.		1
3	Arabic (ar) 421 ق م		0
4	Azerbaijani (az) E.ə. 421		0
5	Belarusian (be) 421 да н.э.		0
6	Catalan (ca) 421 aC		0
7	Czech (cs) 421 př. n. l.		0
8	Danish (da) 421 f.Kr.		0
9	German (de) 421 v. Chr.		0
10	Greek (el) 421 π.Χ.		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 "-421" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) 紀元前421年		130
2	Finnish (fi) 421 eaa.		121
3	Persian (fa) ۴۲۱ (پیش از میلاد)		113
4	French (fr) 421 av. J.-C.		81
5	Catalan (ca) 421 aC		77
6	Italian (it) 421 a.C.		72
7	Latin (la) 421 a.C.n.		41
8	Serbo-Croatian (sh) 421. pr. n. e.		32
9	Dutch (nl) 421 v.Chr.		31
10	Ukrainian (uk) 421 до н. е.		31

More...

#	Language	Value
ar	Arabic 421 ق م
az	Azerbaijani E.ə. 421
be	Belarusian 421 да н.э.
ca	Catalan 421 aC
cs	Czech 421 př. n. l.
da	Danish 421 f.Kr.
de	German 421 v. Chr.
el	Greek 421 π.Χ.
en	English 421 BC
eo	Esperanto -421
es	Spanish 421 a. C.
et	Estonian 421 eKr
eu	Basque K.a. 421
fa	Persian ۴۲۱ (پیش از میلاد)
fi	Finnish 421 eaa.
fr	French 421 av. J.-C.
gl	Galician -421
hu	Hungarian I. e. 421
hy	Armenian Մ.թ.ա. 421
it	Italian 421 a.C.
ja	Japanese 紀元前421年
ka	Georgian ძვ. წ. 421
kk	Kazakh Б. з. д. 421 жыл
la	Latin 421 a.C.n.
lt	Lithuanian 421 m. pr. m. e.
ms	Malay 421 SM
nl	Dutch 421 v.Chr.
no	Norwegian 421 f.Kr.
pl	Polish 421 p.n.e.
pt	Portuguese 421 a.C.
ro	Romanian 421 î.Hr.
ru	Russian 421 год до н. э.
sh	Serbo-Croatian 421. pr. n. e.
sk	Slovak 421 pred Kr.
sl	Slovenian 421 pr. n. št.
sr	Serbian 421. п. н. е.
sv	Swedish 421 f.Kr.
th	Thai พ.ศ. 123
tr	Turkish MÖ 421
uk	Ukrainian 421 до н. е.
uz	Uzbek Mil. av. 421
vi	Vietnamese 421 TCN
zh	Chinese 前421年

Best Rank

Galician: #12996 01.2009

Global: #326479 06.2008

Best Rank

Galician: #1278 05.2008

Global: #5144 05.2008

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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