Operation PX

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Operation PX

Quality:

Operation PX - planned Japanese biological attack on the United States in World War II. Article “Operation PX” in English Wikipedia has 19.2 points for quality (as of July 1, 2025). The article contains 9 references and 2 sections.

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

Since the creation of article “Operation PX”, its content was written by 70 registered users of English Wikipedia and edited by 92 registered Wikipedia users in all languages.

The article is cited 209 times in English Wikipedia and cited 293 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #29058 in February 2021
  • Global: #100820 in October 2024

The highest popularity rank from 2008:

  • Local (English): #37770 in April 2022
  • Global: #75020 in May 2023

There are 7 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Russian (ru)
Операция «Ночное цветение сакуры»
28.6747
2Chinese (zh)
夜间樱花行动
22.2194
3Spanish (es)
Operación PX
19.5605
4English (en)
Operation PX
19.2106
5French (fr)
Opération PX
17.435
6Indonesian (id)
Operasi PX
17.3416
7Finnish (fi)
Operaatio Cherry Blossoms at Night
13.7872
More...

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

Most popular in all the time

The most popular language versions of the article "Operation PX" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Operation PX
1 086 576
2French (fr)
Opération PX
12 806
3Russian (ru)
Операция «Ночное цветение сакуры»
6 197
4Indonesian (id)
Operasi PX
4 893
5Spanish (es)
Operación PX
2 046
6Chinese (zh)
夜间樱花行动
1 437
7Finnish (fi)
Operaatio Cherry Blossoms at Night
98
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Operation PX" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Operation PX
6 354
2Russian (ru)
Операция «Ночное цветение сакуры»
624
3French (fr)
Opération PX
250
4Chinese (zh)
夜间樱花行动
95
5Spanish (es)
Operación PX
81
6Indonesian (id)
Operasi PX
39
7Finnish (fi)
Operaatio Cherry Blossoms at Night
21
More...

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

The highest AI

Language versions of the article "Operation PX" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Operation PX
70
2Russian (ru)
Операция «Ночное цветение сакуры»
6
3Chinese (zh)
夜间樱花行动
5
4Finnish (fi)
Operaatio Cherry Blossoms at Night
3
5French (fr)
Opération PX
3
6Indonesian (id)
Operasi PX
3
7Spanish (es)
Operación PX
2
More...

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

The highest AI in June 2025

Language versions of the article "Operation PX" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Finnish (fi)
Operaatio Cherry Blossoms at Night
1
2English (en)
Operation PX
0
3Spanish (es)
Operación PX
0
4French (fr)
Opération PX
0
5Indonesian (id)
Operasi PX
0
6Russian (ru)
Операция «Ночное цветение сакуры»
0
7Chinese (zh)
夜间樱花行动
0
More...

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

The highest CI

Language versions of the article "Operation PX" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Operation PX
209
2Chinese (zh)
夜间樱花行动
73
3Indonesian (id)
Operasi PX
4
4French (fr)
Opération PX
3
5Spanish (es)
Operación PX
2
6Russian (ru)
Операция «Ночное цветение сакуры»
2
7Finnish (fi)
Operaatio Cherry Blossoms at Night
0
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Operation PX
esSpanish
Operación PX
fiFinnish
Operaatio Cherry Blossoms at Night
frFrench
Opération PX
idIndonesian
Operasi PX
ruRussian
Операция «Ночное цветение сакуры»
zhChinese
夜间樱花行动

Popularity rank trends

Best Rank English:
#37770
04.2022
Global:
#75020
05.2023

AI rank trends

Best Rank English:
#29058
02.2021
Global:
#100820
10.2024

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Operation PX from Wikipedia articles about Shirō Ishii, Unit 731, Military history of the United States during World War II, Biological warfare and Anthrax Weaponization. Whereas reading the article about Operation PX people most often go to Wikipedia articles on Yoshijirō Umezu, Unit 731, Shirō Ishii, Bubonic plague and Jisaburō Ozawa.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

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