Ōnin War
E279370
The Ōnin War was a devastating 15th-century civil conflict in Japan that triggered the collapse of central shogunal authority and ushered in the chaotic Sengoku (Warring States) period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ōnin War canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2591618 — 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: Ōnin War Context triple: [Muromachi period, significantEvent, Ōnin War]
-
A.
Battle of Sekigahara
The Battle of Sekigahara was a decisive 1600 conflict in Japan that led to Tokugawa Ieyasu’s dominance and the establishment of the Tokugawa shogunate, ushering in over two centuries of relative peace.
-
B.
Boshin War
The Boshin War was a Japanese civil conflict (1868–1869) between forces loyal to the Tokugawa shogunate and those supporting the restoration of imperial rule under Emperor Meiji, which led to the end of the shogunate and the modernization of Japan.
-
C.
Hagi Rebellion
The Hagi Rebellion was a short-lived 1876 samurai uprising in Japan’s Chōshū domain, reflecting discontent with the Meiji government’s modernization policies and foreshadowing larger revolts like the Satsuma Rebellion.
-
D.
Siege of Osaka
The Siege of Osaka was a decisive series of battles (1614–1615) in Japan that led to the destruction of the Toyotomi clan and the unchallenged dominance of the Tokugawa shogunate.
-
E.
Shinpūren Rebellion
The Shinpūren Rebellion was an 1876 uprising in Kumamoto, Japan, led by radical samurai opposed to Westernization and the Meiji government's reforms.
- 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: Ōnin War Target entity description: The Ōnin War was a devastating 15th-century civil conflict in Japan that triggered the collapse of central shogunal authority and ushered in the chaotic Sengoku (Warring States) period.
-
A.
Battle of Sekigahara
The Battle of Sekigahara was a decisive 1600 conflict in Japan that led to Tokugawa Ieyasu’s dominance and the establishment of the Tokugawa shogunate, ushering in over two centuries of relative peace.
-
B.
Boshin War
The Boshin War was a Japanese civil conflict (1868–1869) between forces loyal to the Tokugawa shogunate and those supporting the restoration of imperial rule under Emperor Meiji, which led to the end of the shogunate and the modernization of Japan.
-
C.
Hagi Rebellion
The Hagi Rebellion was a short-lived 1876 samurai uprising in Japan’s Chōshū domain, reflecting discontent with the Meiji government’s modernization policies and foreshadowing larger revolts like the Satsuma Rebellion.
-
D.
Siege of Osaka
The Siege of Osaka was a decisive series of battles (1614–1615) in Japan that led to the destruction of the Toyotomi clan and the unchallenged dominance of the Tokugawa shogunate.
-
E.
Shinpūren Rebellion
The Shinpūren Rebellion was an 1876 uprising in Kumamoto, Japan, led by radical samurai opposed to Westernization and the Meiji government's reforms.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese war
ⓘ
civil war ⓘ historical event ⓘ |
| belligerent |
Ashikaga clan
ⓘ
surface form:
Ashikaga shogunate factions
Hosokawa clan ⓘ Yamana clan ⓘ |
| category |
15th-century conflicts
ⓘ
Civil wars in Japan ⓘ Conflicts of the Muromachi period ⓘ |
| cause |
rivalry between Hosokawa and Yamana clans
ⓘ
succession dispute within the Ashikaga shogunate ⓘ |
| combatantType | daimyō factions ⓘ |
| commander |
Hosokawa Katsumoto
ⓘ
Yamana Sōzen ⓘ |
| country | Japan ⓘ |
| endDate | 1477 ⓘ |
| eraName | Ōnin ⓘ |
| followedBy | Sengoku period ⓘ |
| genre | military history of Japan ⓘ |
| hasLanguageName | Japanese language name "応仁の乱" ⓘ |
| historicalImpact |
long-term social and economic disruption
ⓘ
rise of regional warlords (daimyō) ⓘ weakened Kyoto as political center ⓘ |
| locatedIn |
Kansai region
ⓘ
surface form:
Kinai region
Kyoto ⓘ |
| namedAfter |
Muromachi period
ⓘ
surface form:
Ōnin era
|
| notableConsequence |
decline of aristocratic and temple estates in Kyoto
ⓘ
emergence of castle-centered domains ⓘ |
| partOf | Japanese feudal conflicts ⓘ |
| period | Muromachi period ⓘ |
| precededBy |
Heiji Rebellion
ⓘ
surface form:
Kakitsu Rebellion
|
| primaryTheater | urban warfare in Kyoto ⓘ |
| relatedTo |
Ashikaga Yoshihisa
ⓘ
Ashikaga Yoshimasa ⓘ Ashikaga Yoshimi ⓘ |
| result |
decline of shogunal central authority
ⓘ
devastation of Kyoto ⓘ indecisive outcome ⓘ political fragmentation of Japan ⓘ |
| significance | turning point between medieval and early modern Japan ⓘ |
| startDate | 1467 ⓘ |
| timePeriod | 15th century ⓘ |
| triggered |
Sengoku period
ⓘ
surface form:
Sengoku (Warring States) period
collapse of Ashikaga shogunate authority ⓘ |
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: Ōnin War Description of subject: The Ōnin War was a devastating 15th-century civil conflict in Japan that triggered the collapse of central shogunal authority and ushered in the chaotic Sengoku (Warring States) period.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.