Unit 731

chemical and biological warfare research and development unit of the Imperial Japanese Army (1935-1945)
Organization military_unit Q378835
Unit 731
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Unit 731

Summary

Unit 731 is a military unit[1]. It ranks in the top 0.02% of military_unit entities by monthly Wikipedia readership (9,813 views/month, #1 of 4,978).[2]

Key Facts

  • Unit 731's field of work was biological warfare[3].
  • Unit 731's field of work was chemical warfare[4].
  • Unit 731's field of work was unethical human experimentation[5].
  • Unit 731's field of work was vivisection[6].
  • Unit 731's field of work was tissue and organ harvesting[7].
  • Unit 731's field of work was amputation[8].
  • Unit 731 is in the country of Japan[9].
  • Unit 731's image is recorded as Unit 731 - Complex.jpg[10].
  • Unit 731's instance of is recorded as military unit[11].
  • Unit 731's founder is recorded as Kempeitai[12].
  • Unit 731's headquarters location is recorded as Pingfang District[13].
  • Unit 731's VIAF cluster ID is recorded as 131371456[14].
  • Unit 731's military branch is recorded as Imperial Japanese Army[15].
  • Unit 731's Library of Congress authority ID is recorded as n82080077[16].
  • Unit 731's IdRef ID is recorded as 200255169[17].
  • Unit 731's NDL Authority ID is recorded as 001279860[18].
  • Unit 731's part of is recorded as Kwantung Army[19].
  • Unit 731's Commons category is recorded as Unit 731[20].
  • +1936-00-00T00:00:00Z marks the founding of Unit 731[21].
  • Unit 731 was dissolved in +1945-00-00T00:00:00Z[22].
  • Unit 731's participated in conflict is recorded as Second Sino-Japanese War[23].
  • Unit 731's participated in conflict is recorded as World War II[24].
  • Unit 731's coordinate location is recorded as {'lat': 45.6, 'lon': 126.633333}[25].
  • Unit 731's Freebase ID is recorded as /m/01fffq[26].
  • Unit 731's parent organization or unit is recorded as Unit 659[27].

Body

Founding

Unit 731's founder is recorded as Kempeitai[12]. +1936-00-00T00:00:00Z marks the founding of it[21].

Identity

Unit 731's part of is recorded as Kwantung Army[19].

Operations

Unit 731's headquarters location is recorded as Pingfang District[13]. Its parent organization or unit is recorded as Unit 659[27].

Industry

Fields of work include biological warfare[3]; chemical warfare[4]; unethical human experimentation[5]; vivisection[6]; tissue and organ harvesting[7], a surgery[28]; and amputation[8], a disability[29].

Dissolution

Unit 731 was dissolved in +1945-00-00T00:00:00Z[22].

Why It Matters

Unit 731 ranks in the top 0.02% of military_unit entities by monthly Wikipedia readership (9,813 views/month, #1 of 4,978).[2] It has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[30] It is known by 42 alternative names across languages and contexts.[31]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [9] . wikidata.org.
  2. [10] . wikidata.org.
  3. [11] . Retrieved . wikidata.org.
  4. [3] . Unit 731: Where Entomology Became Evil. wikidata.org.
  5. [4] . wikidata.org.
  6. [5] . Japanese veteran admits vivisection tests on PoWs. Retrieved . theguardian.com. Provenance: wikidata.org.
  7. [6] . Retrieved . wikidata.org.
  8. [7] . Retrieved . wikidata.org.
  9. [8] . Retrieved . wikidata.org.
  10. [12] . Retrieved . wikidata.org.
  11. [13] . Former headquarters site of Unit 731. wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Freebase Data Dumps. wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Unit 731. Retrieved April 10, 2026, from https://4ort.xyz/entity/unit-731
MLA “Unit 731.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/unit-731.
BibTeX @misc{4ortxyz_unit-731_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Unit 731}}, year = {2026}, url = {https://4ort.xyz/entity/unit-731}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Unit 731 — https://4ort.xyz/entity/unit-731 (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/unit-731 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 19d ago · ~2026-26657-73 · 2026-05-01 view diff on Wikidata ↗
    Significant place Former headquarters site of Unit 731, Quzhou Japanese Backteriological Warfare Exhibition Hall
    Military branch Imperial Japanese Army
    Dissolved
    Dissolved, abolished or demolished date +1945-00-00T00:00:00Z
    + 33 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P3342]]: [[Q2010]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.