Mitsumasa Yonai
E616282
Mitsumasa Yonai was an admiral in the Imperial Japanese Navy who briefly served as Prime Minister of Japan on the eve of World War II and later opposed Japan’s entry into the conflict.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mitsumasa Yonai canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3616390 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mitsumasa Yonai Context triple: [Commander-in-Chief of the Combined Fleet, notableOfficeHolder, Mitsumasa Yonai]
-
A.
Yūsaku Kamekura
Yūsaku Kamekura was a pioneering Japanese graphic designer renowned for his modernist posters and visual identities, including iconic work for the 1964 Tokyo Olympics.
-
B.
Gisiro Maruyama
Gisiro Maruyama was a Japanese mathematician known for his foundational contributions to the theory and numerical analysis of stochastic differential equations.
-
C.
Ozaki Yukio
Ozaki Yukio was a prominent Japanese liberal politician and statesman, often called the "father of the Japanese Constitution," known for championing democracy and civil rights in the Meiji and Taishō eras.
-
D.
Otoya Yamaguchi
Otoya Yamaguchi was a 17-year-old Japanese ultranationalist who assassinated socialist politician Inejiro Asanuma during a televised political debate in 1960.
-
E.
Nobuyuki Katsube
Nobuyuki Katsube is a Japanese actor known for his roles in film and television, including a starring performance in the drama "Kumiko, the Treasure Hunter."
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mitsumasa Yonai Target entity description: Mitsumasa Yonai was an admiral in the Imperial Japanese Navy who briefly served as Prime Minister of Japan on the eve of World War II and later opposed Japan’s entry into the conflict.
-
A.
Yūsaku Kamekura
Yūsaku Kamekura was a pioneering Japanese graphic designer renowned for his modernist posters and visual identities, including iconic work for the 1964 Tokyo Olympics.
-
B.
Gisiro Maruyama
Gisiro Maruyama was a Japanese mathematician known for his foundational contributions to the theory and numerical analysis of stochastic differential equations.
-
C.
Ozaki Yukio
Ozaki Yukio was a prominent Japanese liberal politician and statesman, often called the "father of the Japanese Constitution," known for championing democracy and civil rights in the Meiji and Taishō eras.
-
D.
Otoya Yamaguchi
Otoya Yamaguchi was a 17-year-old Japanese ultranationalist who assassinated socialist politician Inejiro Asanuma during a televised political debate in 1960.
-
E.
Nobuyuki Katsube
Nobuyuki Katsube is a Japanese actor known for his roles in film and television, including a starring performance in the drama "Kumiko, the Treasure Hunter."
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Prime Minister of Japan
ⓘ
admiral ⓘ human ⓘ |
| burialPlace | Aoyama Cemetery, Tokyo NERFINISHED ⓘ |
| causeOfDeath | stroke ⓘ |
| child | Yonai Ken NERFINISHED ⓘ |
| conflictParticipatedIn |
Russo-Japanese War
NERFINISHED
ⓘ
World War I ⓘ |
| countryOfCitizenship | Japan ⓘ |
| dateOfBirth | 1880-03-02 ⓘ |
| dateOfDeath | 1948-04-20 ⓘ |
| education | Imperial Japanese Naval Academy NERFINISHED ⓘ |
| era | Shōwa period NERFINISHED ⓘ |
| gender | male ⓘ |
| graduationClassRank | top of his class ⓘ |
| honor |
Order of the Golden Kite
NERFINISHED
ⓘ
Order of the Rising Sun NERFINISHED ⓘ |
| knownFor |
leading a moderate, anti-war faction in the Imperial Japanese Navy
ⓘ
opposition to Japan’s entry into World War II ⓘ |
| language | Japanese ⓘ |
| militaryBranch | Imperial Japanese Navy ⓘ |
| militaryRank | Admiral NERFINISHED ⓘ |
| monarchDuringTerm | Emperor Shōwa NERFINISHED ⓘ |
| name | Mitsumasa Yonai NERFINISHED ⓘ |
| nativeName | 米内 光政 NERFINISHED ⓘ |
| navyMinisterEnd |
1939-08-30
ⓘ
1940-09-05 ⓘ |
| navyMinisterStart | 1937-02-02 ⓘ |
| notableEvent |
forced to resign as prime minister under pressure from the Army and pro-Axis factions
ⓘ
resisted formation of a military alliance with Nazi Germany and Fascist Italy ⓘ |
| occupation |
naval officer
ⓘ
politician ⓘ |
| placeOfBirth | Morioka, Iwate, Japan NERFINISHED ⓘ |
| placeOfDeath | Tokyo, Japan NERFINISHED ⓘ |
| politicalAlignment | moderate ⓘ |
| positionHeld |
Minister of the Navy of Japan
ⓘ
Prime Minister of Japan NERFINISHED ⓘ member of the House of Peers ⓘ |
| postwarStatus | not prosecuted as a war criminal ⓘ |
| predecessorAsPrimeMinister | Nobuyuki Abe NERFINISHED ⓘ |
| primeMinisterEnd | 1940-07-22 ⓘ |
| primeMinisterStart | 1940-01-16 ⓘ |
| regionOfActivity | Empire of Japan NERFINISHED ⓘ |
| religion | Buddhism ⓘ |
| residence | Tokyo, Japan NERFINISHED ⓘ |
| roleInWorldWarII |
advocated for avoiding war with the United States and the United Kingdom
ⓘ
served again as Navy Minister in the final months of World War II ⓘ supported acceptance of the Potsdam Declaration ⓘ |
| spouse | Yonai Taka NERFINISHED ⓘ |
| successorAsPrimeMinister | Fumimaro Konoe NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mitsumasa Yonai Description of subject: Mitsumasa Yonai was an admiral in the Imperial Japanese Navy who briefly served as Prime Minister of Japan on the eve of World War II and later opposed Japan’s entry into the conflict.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.