Otoya Yamaguchi

Japanese ultranationalist who assassinated Inejiro Asanuma (1943–1960)
Person human Q469406

Facts

20 properties
Instance of
human
Sex or gender
male[13]
Date of birth
February 22, 1943
Date of death
November 2, 1960
Place of birth
Tokyo, Tokyo[1][7]
Place of death
Tokyo, Tokyo[3][8]
Country of citizenship
Japan, Empire of Japan[10][11]
Occupation
student, activist
Member of political party
Great Japan Patriotic Party[14]
Cause of death
hanging to death[15]
Languages spoken, written or signed
Japanese[22]
Family name
Yamaguchi[16]
Manner of death
suicide[20]
Name in kana
やまぐち おとや
Name in native language
山口 二矢[23]
Place of burial
Aoyama Cemetery[9]
🏷️ Also known as
en Yamaguchi Nitaya en Otoya Yamaguchi ar أوتويا ياماغوتشي cs Otoja Jamaguči de Otoya de Yamaguchi Otoya el Οτόγια Γιαμαγκούτσι fa یاماگوچی اوتویا ja 山口二矢 ko 야마구찌 오또야 ko 야마구치 오또야 ko 야마구치 오토야 ru Отоя Ямагути ru Ямагути, Отоя th โอโตยะ ยามากูจิ tr Yamaguçi Otoya uk Ямагучі Одоя
🔖 Identifiers · 13
VIAF cluster ID
62813532
Library of Congress authority ID
n79010757
Image (Wikimedia Commons)
Tokyo Stabbing.jpg ↗
FAST ID
30637
Find a Grave memorial ID
62116577
Freebase ID
/m/085t67
NDL Authority ID
00623566
Prabook ID
2117337
WikiTree person ID
山口-25
WorldCat Entities ID
E39PBJx4t9k6Q8cGPwBbKmxkXd
Show all 13 identifiers +1

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Country of citizenship 3
Occupation 3
Significant event 2
Cause of death 1
Instance of 1
Languages spoken, written or signed 1
Manner of death 1
Member of political party 1
Participant in 1
Place of birth 1
Place of burial 1
Place of death 1
Relative 1
Sex or gender 1
← Killed by 1
← Perpetrator 1
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Summary

Otoya Yamaguchi's place of birth was Tokyo[1]. He was born on February 22, 1943[2]. He passed away in Tokyo[3]. He died on November 2, 1960[4]. He worked as a student[5] and activist[6].

Body

Origins and Family

Recorded place of birth include Tokyo[1], a metropolitan prefecture[24], in Japan[25], founded in 1868[26], headquartered in Tokyo Metropolitan Government Building[27].

Death and Burial

Recorded place of death include Tokyo[3], a metropolitan prefecture[28], in Japan[29], founded in 1868[30], headquartered in Tokyo Metropolitan Government Building[31].

FAQs

Where was Otoya Yamaguchi born?

Otoya Yamaguchi's place of birth was Tokyo[1].

Where did Otoya Yamaguchi die?

Otoya Yamaguchi died in Tokyo[3].

What did Otoya Yamaguchi do for work?

Otoya Yamaguchi worked as student[5] and activist[6].

Where did Otoya Yamaguchi go to school?

Otoya Yamaguchi was educated at Q114925815[12].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [13] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [11] ↑ . wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [14] ↑ . wikidata.org.
  10. [5] ↑ . wikidata.org.
  11. [6] ↑ . wikidata.org.
  12. [9] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [2] ↑ . wikidata.org.
  15. [4] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . wikidata.org.
  20. [20] ↑ . wikidata.org.
  21. [21] ↑ . wikidata.org.
  22. [22] ↑ . wikidata.org.
  23. [23] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [24] ↑ . Wikidata. wikidata.org. → on this site
  2. [25] ↑ . Wikidata. wikidata.org. → on this site
  3. [26] ↑ . Wikidata. wikidata.org. → on this site
  4. [27] ↑ . Wikidata. wikidata.org. → on this site
  5. [28] ↑ . Wikidata. wikidata.org. → on this site
  6. [29] ↑ . Wikidata. wikidata.org. → on this site
  7. [30] ↑ . Wikidata. wikidata.org. → on this site
  8. [31] ↑ . Wikidata. wikidata.org. → on this site

📑 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). Otoya Yamaguchi. Retrieved November 6, 2026, from https://4ort.xyz/entity/otoya-yamaguchi
MLA “Otoya Yamaguchi.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/otoya-yamaguchi.
BibTeX @misc{4ortxyz_otoya-yamaguchi_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Otoya Yamaguchi}}, year = {2026}, url = {https://4ort.xyz/entity/otoya-yamaguchi}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Otoya Yamaguchi — https://4ort.xyz/entity/otoya-yamaguchi (retrieved 2026-11-06)

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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. 4w ago · Printstream · 2026-10-05 view diff on Wikidata ↗
    Place of birth → Tokyo, Tokyo
    Thumb url → —
    Place of death → Tokyo, Tokyo
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57880|batch #57880]]: Import more precise places of birth, date from dewiki"
  2. 26w ago · ~2026-27081-92 · 2026-05-04 view diff on Wikidata ↗
    NDL Authority ID → 00623566
    Viaf id → —
    Cause of death → hanging to death
    Ndl authority id → —
    + 65 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Image: Tokyo Stabbing.jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.