645 BC

645 BC - year. Article “645 BC” in English Wikipedia has 4.4 points for quality (as of July 1, 2026). The article contains 0 references and 3 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.23 points.

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

Since the creation of article “645 BC”, its content was written by 10 registered users of English Wikipedia and edited by 186 registered Wikipedia users in all languages.

The article is cited 10 times in English Wikipedia and cited 893 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #48484 in January 2004
• Global: #30073 in January 2013

The highest popularity rank from 2008:

• Local (English): #1100794 in April 2008
• Global: #535375 in February 2015

There are 25 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	Russian (ru) 645 год до н. э.		28.7569
2	Bulgarian (bg) 645 г. пр.н.е.		27.7454
3	Ukrainian (uk) 645 до н. е.		25.1334
4	Arabic (ar) 645 ق م		23.5371
5	Chinese (zh) 前645年		5.3793
6	Serbo-Croatian (sh) 645. pr. n. e.		4.8966
7	Latin (la) 645 a.C.n.		4.6978
8	Esperanto (eo) -645		4.4331
9	English (en) 645 BC		4.3971
10	Japanese (ja) 紀元前645年		4.3712

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

The most popular language versions of the article "645 BC" in all the time

#	Language	Popularity award	Relative popularity
1	Polish (pl) 645 p.n.e.		27 619
2	English (en) 645 BC		22 761
3	Russian (ru) 645 год до н. э.		10 400
4	Chinese (zh) 前645年		7 001
5	Italian (it) 645 a.C.		6 869
6	Japanese (ja) 紀元前645年		6 543
7	Portuguese (pt) 645 a.C.		5 850
8	Dutch (nl) 645 v.Chr.		4 213
9	Hungarian (hu) I. e. 645		3 549
10	Ukrainian (uk) 645 до н. е.		3 009

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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 "645 BC" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) 645 BC		66
2	Russian (ru) 645 год до н. э.		21
3	Japanese (ja) 紀元前645年		20
4	Chinese (zh) 前645年		19
5	Polish (pl) 645 p.n.e.		16
6	Dutch (nl) 645 v.Chr.		13
7	Uzbek (uz) Mil. av. 645		12
8	Italian (it) 645 a.C.		11
9	Slovak (sk) 645 pred Kr.		7
10	Bulgarian (bg) 645 г. пр.н.е.		6

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

Language versions of the article "645 BC" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Italian (it) 645 a.C.		28
2	Dutch (nl) 645 v.Chr.		26
3	Russian (ru) 645 год до н. э.		22
4	Latin (la) 645 a.C.n.		15
5	Hungarian (hu) I. e. 645		13
6	Galician (gl) -645		11
7	English (en) 645 BC		10
8	Chinese (zh) 前645年		9
9	Georgian (ka) ძვ. წ. 645		6
10	Japanese (ja) 紀元前645年		5

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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 "645 BC" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) 645 ق م		0
2	Azerbaijani (az) E.ə. 645		0
3	Bulgarian (bg) 645 г. пр.н.е.		0
4	English (en) 645 BC		0
5	Esperanto (eo) -645		0
6	Persian (fa) ۶۴۵ (پیش از میلاد)		0
7	Galician (gl) -645		0
8	Hungarian (hu) I. e. 645		0
9	Armenian (hy) Մ.թ.ա. 645		0
10	Italian (it) 645 a.C.		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 "645 BC" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) 645 год до н. э.		259
2	Japanese (ja) 紀元前645年		126
3	Bulgarian (bg) 645 г. пр.н.е.		103
4	Persian (fa) ۶۴۵ (پیش از میلاد)		95
5	Chinese (zh) 前645年		29
6	Ukrainian (uk) 645 до н. е.		24
7	Italian (it) 645 a.C.		22
8	Hungarian (hu) I. e. 645		20
9	Vietnamese (vi) 645 TCN		19
10	Polish (pl) 645 p.n.e.		17

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#	Language	Value
ar	Arabic 645 ق م
az	Azerbaijani E.ə. 645
bg	Bulgarian 645 г. пр.н.е.
en	English 645 BC
eo	Esperanto -645
fa	Persian ۶۴۵ (پیش از میلاد)
gl	Galician -645
hu	Hungarian I. e. 645
hy	Armenian Մ.թ.ա. 645
it	Italian 645 a.C.
ja	Japanese 紀元前645年
ka	Georgian ძვ. წ. 645
kk	Kazakh Б. з. д. 645 жыл
la	Latin 645 a.C.n.
nl	Dutch 645 v.Chr.
pl	Polish 645 p.n.e.
pt	Portuguese 645 a.C.
ru	Russian 645 год до н. э.
sh	Serbo-Croatian 645. pr. n. e.
sk	Slovak 645 pred Kr.
sr	Serbian 645. п. н. е.
uk	Ukrainian 645 до н. е.
uz	Uzbek Mil. av. 645
vi	Vietnamese 645 TCN
zh	Chinese 前645年

Best Rank

English: #1100794 04.2008

Global: #535375 02.2015

Best Rank

English: #48484 01.2004

Global: #30073 01.2013

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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