Prime Minister Keisuke Okada
E413186
Prime Minister Keisuke Okada was a pre–World War II Japanese naval officer and statesman who served as Japan’s prime minister in the mid-1930s and became a key target of ultranationalist military rebels during the February 26 Incident.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prime Minister Keisuke Okada canonical | 2 |
| Home Minister Keisuke Okada (target, survived; his brother-in-law killed) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4104801 — 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: Prime Minister Keisuke Okada Context triple: [February 26 Incident, notableTarget, Prime Minister Keisuke Okada]
-
A.
Naoto Kan
Naoto Kan is a Japanese politician who served as Prime Minister of Japan and leader of the Democratic Party of Japan in the early 2010s.
-
B.
Ryutaro Hashimoto
Ryutaro Hashimoto was a Japanese politician who served as Prime Minister of Japan in the late 1990s, known for his administrative and financial reforms.
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C.
Shigeru Ishiba
Shigeru Ishiba is a veteran Japanese politician of the Liberal Democratic Party known for his defense expertise and repeated bids for party leadership and the prime ministership.
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D.
Yoshihide Suga
Yoshihide Suga is a Japanese politician who served as Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe and leading the country through the early phase of the COVID-19 pandemic.
-
E.
Yoshirō Mori (as Prime Minister of Japan)
Yoshirō Mori was a Japanese Liberal Democratic Party politician who served briefly as Japan’s prime minister from 2000 to 2001, a tenure marked by gaffes and low public approval.
- 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: Prime Minister Keisuke Okada Target entity description: Prime Minister Keisuke Okada was a pre–World War II Japanese naval officer and statesman who served as Japan’s prime minister in the mid-1930s and became a key target of ultranationalist military rebels during the February 26 Incident.
-
A.
Naoto Kan
Naoto Kan is a Japanese politician who served as Prime Minister of Japan and leader of the Democratic Party of Japan in the early 2010s.
-
B.
Ryutaro Hashimoto
Ryutaro Hashimoto was a Japanese politician who served as Prime Minister of Japan in the late 1990s, known for his administrative and financial reforms.
-
C.
Shigeru Ishiba
Shigeru Ishiba is a veteran Japanese politician of the Liberal Democratic Party known for his defense expertise and repeated bids for party leadership and the prime ministership.
-
D.
Yoshihide Suga
Yoshihide Suga is a Japanese politician who served as Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe and leading the country through the early phase of the COVID-19 pandemic.
-
E.
Yoshirō Mori (as Prime Minister of Japan)
Yoshirō Mori was a Japanese Liberal Democratic Party politician who served briefly as Japan’s prime minister from 2000 to 2001, a tenure marked by gaffes and low public approval.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese politician
ⓘ
Prime Minister of Japan ⓘ admiral ⓘ human ⓘ |
| allegiance |
Japan
ⓘ
surface form:
Empire of Japan
|
| birthDate | 1868-01-20 ⓘ |
| cabinet | Okada Cabinet ⓘ |
| causeOfResignation | political fallout from the February 26 Incident ⓘ |
| conflict |
First Sino-Japanese War
ⓘ
Russo-Japanese War ⓘ |
| countryOfCitizenship | Japan ⓘ |
| deathDate | 1952-10-17 ⓘ |
| educatedAt | Imperial Japanese Naval Academy ⓘ |
| era | pre–World War II Japan ⓘ |
| graduationYear | 1891 ⓘ |
| honor |
Order of the Golden Kite
ⓘ
Order of the Rising Sun ⓘ Order of the Sacred Treasure ⓘ |
| knownFor |
attempts to restrain military influence in politics
ⓘ
being targeted by ultranationalist military rebels ⓘ |
| militaryBranch | Imperial Japanese Navy ⓘ |
| militaryRank | admiral ⓘ |
| name | Keisuke Okada NERFINISHED ⓘ |
| nativeName |
岡田啓介
ⓘ
surface form:
岡田 啓介
|
| notableEvent | February 26 Incident ⓘ |
| occupation |
naval officer
ⓘ
statesman ⓘ |
| officeEnd | 1936-03-09 ⓘ |
| officeStart | 1934-07-08 ⓘ |
| placeOfBirth |
Echizen Province
NERFINISHED
ⓘ
Fukui Domain ⓘ |
| placeOfDeath | Tokyo ⓘ |
| policyFocus |
civilian control of the military
ⓘ
moderation in foreign policy ⓘ |
| politicalAlignment | moderate ⓘ |
| positionHeld |
Vice Chief of the Naval General Staff
ⓘ
surface form:
Chief of the Naval General Staff (acting)
Minister of the Navy of Japan ⓘ Prime Minister of Japan ⓘ member of the House of Peers of Japan ⓘ |
| predecessor | Makoto Saitō NERFINISHED ⓘ |
| primeMinisterOrder | 31st Prime Minister of Japan ⓘ |
| religion | Buddhism ⓘ |
| residenceWhileInOffice |
Official Residence of the Prime Minister of Japan
ⓘ
surface form:
Prime Minister’s Official Residence, Tokyo
|
| spouse | Aiko Okada NERFINISHED ⓘ |
| successor |
Koki Hirota
ⓘ
surface form:
Kōki Hirota
|
| survivedEvent | February 26 Incident ⓘ |
| targetOf | February 26 Incident rebels ⓘ |
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: Prime Minister Keisuke Okada Description of subject: Prime Minister Keisuke Okada was a pre–World War II Japanese naval officer and statesman who served as Japan’s prime minister in the mid-1930s and became a key target of ultranationalist military rebels during the February 26 Incident.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Home Minister Keisuke Okada (target, survived; his brother-in-law killed)