พ.ศ. 21

523 BC - year. Article “พ.ศ. 21” in Thai Wikipedia has 2.9 points for quality (as of July 1, 2025). The article contains 0 references and 3 sections.

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

Since the creation of article “พ.ศ. 21”, its content was written by 5 registered users of Thai Wikipedia and edited by 203 registered Wikipedia users in all languages.

The article is cited 8 times in Thai Wikipedia and cited 819 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Thai): #1234 in September 2009
• Global: #15952 in August 2013

The highest popularity rank from 2008:

• Local (Thai): #27483 in February 2008
• Global: #933029 in January 2008

There are 26 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	Bulgarian (bg) 523 г. пр.н.е.		27.0301
2	Russian (ru) 523 год до н. э.		26.3387
3	Portuguese (pt) 523 a.C.		25.59
4	Arabic (ar) 523 ق م		22.8467
5	Chinese (zh) 前523年		7.116
6	Galician (gl) -523		6.053
7	Estonian (et) 523 eKr		4.875
8	Serbo-Croatian (sh) 523. pr. n. e.		4.5063
9	Latin (la) 523 a.C.n.		4.4304
10	Japanese (ja) 紀元前523年		4.4045

More...

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

The most popular language versions of the article "พ.ศ. 21" in all the time

#	Language	Popularity award	Relative popularity
1	Russian (ru) 523 год до н. э.		11 831
2	Italian (it) 523 a.C.		6 836
3	German (de) 523 v. Chr.		5 949
4	Chinese (zh) 前523年		5 763
5	Japanese (ja) 紀元前523年		4 954
6	Dutch (nl) 523 v.Chr.		4 268
7	Hungarian (hu) I. e. 523		3 722
8	Greek (el) 523 π.Χ.		2 999
9	Thai (th) พ.ศ. 21		2 550
10	Portuguese (pt) 523 a.C.		2 331

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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 "พ.ศ. 21" in June 2025

#	Language	Popularity award	Relative popularity
1	Chinese (zh) 前523年		45
2	Japanese (ja) 紀元前523年		23
3	Armenian (hy) Մ.թ.ա. 523		22
4	Dutch (nl) 523 v.Chr.		21
5	Greek (el) 523 π.Χ.		19
6	Russian (ru) 523 год до н. э.		15
7	German (de) 523 v. Chr.		13
8	Galician (gl) -523		13
9	Serbian (sr) 523. п. н. е.		11
10	Latin (la) 523 a.C.n.		10

More...

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

Language versions of the article "พ.ศ. 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Dutch (nl) 523 v.Chr.		32
2	Italian (it) 523 a.C.		29
3	Russian (ru) 523 год до н. э.		23
4	Latin (la) 523 a.C.n.		18
5	Hungarian (hu) I. e. 523		15
6	German (de) 523 v. Chr.		13
7	Norwegian (no) 523 f.Kr.		12
8	Galician (gl) -523		9
9	Chinese (zh) 前523年		8
10	Serbian (sr) 523. п. н. е.		6

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 "พ.ศ. 21" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Japanese (ja) 紀元前523年		2
2	Arabic (ar) 523 ق م		0
3	Bulgarian (bg) 523 г. пр.н.е.		0
4	Czech (cs) 523 př. n. l.		0
5	German (de) 523 v. Chr.		0
6	Greek (el) 523 π.Χ.		0
7	Estonian (et) 523 eKr		0
8	Galician (gl) -523		0
9	Hungarian (hu) I. e. 523		0
10	Armenian (hy) Մ.թ.ա. 523		0

More...

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

Language versions of the article "พ.ศ. 21" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) 523 год до н. э.		252
2	Japanese (ja) 紀元前523年		115
3	Bulgarian (bg) 523 г. пр.н.е.		101
4	Dutch (nl) 523 v.Chr.		47
5	Uzbek (uz) Mil. av. 523		30
6	Chinese (zh) 前523年		27
7	Arabic (ar) 523 ق م		20
8	Italian (it) 523 a.C.		18
9	Vietnamese (vi) 523 TCN		18
10	Hungarian (hu) I. e. 523		15

More...

#	Language	Value
ar	Arabic 523 ق م
bg	Bulgarian 523 г. пр.н.е.
cs	Czech 523 př. n. l.
de	German 523 v. Chr.
el	Greek 523 π.Χ.
et	Estonian 523 eKr
gl	Galician -523
hu	Hungarian I. e. 523
hy	Armenian Մ.թ.ա. 523
it	Italian 523 a.C.
ja	Japanese 紀元前523年
ka	Georgian ძვ. წ. 523
kk	Kazakh Б. з. д. 523 жыл
la	Latin 523 a.C.n.
nl	Dutch 523 v.Chr.
no	Norwegian 523 f.Kr.
pt	Portuguese 523 a.C.
ro	Romanian 523 î.Hr.
ru	Russian 523 год до н. э.
sh	Serbo-Croatian 523. pr. n. e.
sk	Slovak 523 pred Kr.
sr	Serbian 523. п. н. е.
th	Thai พ.ศ. 21
uz	Uzbek Mil. av. 523
vi	Vietnamese 523 TCN
zh	Chinese 前523年

Best Rank

Thai: #27483 02.2008

Global: #933029 01.2008

Best Rank

Thai: #1234 09.2009

Global: #15952 08.2013

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In Thai Wikipedia the most popular articles on that day were: อรัชพร โภคินภากร, พิธา ลิ้มเจริญรัตน์, ธิษะณา ชุณหะวัณ, องค์การกระจายเสียงและแพร่ภาพสาธารณะแห่งประเทศไทย, ชุติมา ทีปะนาถ, อนุทิน ชาญวีรกูล, ไกรศักดิ์ ชุณหะวัณ, อสมท, ณฉัตร จันทพันธ์, ชาติชาย ชุณหะวัณ.

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