Battle of Okehazama
E282321
The Battle of Okehazama was a pivotal 1560 conflict in Japan in which the outnumbered Oda Nobunaga defeated Imagawa Yoshimoto, marking the rise of Nobunaga as a major warlord of the Sengoku period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Okehazama canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2607660 — 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: Battle of Okehazama Context triple: [Sengoku period, hasKeyEvent, Battle of Okehazama]
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A.
Battle of Shiroyama
The Battle of Shiroyama was the climactic 1877 clash in which Saigō Takamori’s samurai forces were decisively defeated by the modern Imperial Japanese Army, symbolizing the end of the samurai era in Japan.
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B.
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.
-
C.
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.
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D.
Odawara campaign
The Odawara campaign was Toyotomi Hideyoshi’s decisive 1590 military operation against the Hōjō clan that effectively unified Japan under his rule.
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E.
Battle of Anzen
The Battle of Anzen was an 838 clash between the Byzantine Empire and the Abbasid Caliphate in Anatolia, where Byzantine forces under Emperor Theophilos were defeated by troops serving Caliph al-Mu'tasim.
- 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: Battle of Okehazama Target entity description: The Battle of Okehazama was a pivotal 1560 conflict in Japan in which the outnumbered Oda Nobunaga defeated Imagawa Yoshimoto, marking the rise of Nobunaga as a major warlord of the Sengoku period.
-
A.
Battle of Shiroyama
The Battle of Shiroyama was the climactic 1877 clash in which Saigō Takamori’s samurai forces were decisively defeated by the modern Imperial Japanese Army, symbolizing the end of the samurai era in Japan.
-
B.
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.
-
C.
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.
-
D.
Odawara campaign
The Odawara campaign was Toyotomi Hideyoshi’s decisive 1590 military operation against the Hōjō clan that effectively unified Japan under his rule.
-
E.
Battle of Anzen
The Battle of Anzen was an 838 clash between the Byzantine Empire and the Abbasid Caliphate in Anatolia, where Byzantine forces under Emperor Theophilos were defeated by troops serving Caliph al-Mu'tasim.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military conflict ⓘ |
| alsoKnownAs | Okehazama no Tatakai ⓘ |
| associatedWith | Oda Nobunaga's later unification campaigns ⓘ |
| belligerent |
Imagawa Yoshimoto
ⓘ
Oda Nobunaga ⓘ |
| campaign |
Imagawa invasion of Owari
ⓘ
surface form:
Imagawa campaign toward Kyoto
|
| casusBelli | Imagawa invasion of Owari ⓘ |
| chronologyWithinConflict | early Sengoku conflict ⓘ |
| combatant |
Imagawa clan
ⓘ
Oda clan ⓘ |
| commander |
Imagawa Yoshimoto
ⓘ
Oda Nobunaga ⓘ |
| conflict | Sengoku period ⓘ |
| country | Japan ⓘ |
| date | 1560 ⓘ |
| death | Imagawa Yoshimoto killed in combat ⓘ |
| era | Azuchi–Momoyama period precursor ⓘ |
| followedBy | Oda Nobunaga's territorial expansion ⓘ |
| geographicalContext | border area between Owari and Mikawa ⓘ |
| hasEffect |
decline of Imagawa clan power
ⓘ
rise of Oda Nobunaga as major warlord ⓘ shift in regional power balance in central Japan ⓘ |
| historicalPeriod | 16th century ⓘ |
| involves |
feudal Japanese clans
ⓘ
samurai warfare ⓘ |
| legacy |
frequently depicted in Japanese historical narratives
ⓘ
studied as example of successful surprise attack ⓘ |
| location |
Okehazama
ⓘ
Owari Province NERFINISHED ⓘ |
| notableFor |
surprise attack by Oda Nobunaga
ⓘ
turning point in Oda Nobunaga's rise to power ⓘ |
| outcome | Oda control consolidated in Owari ⓘ |
| partOf | Sengoku period ⓘ |
| pointInTime | 1560-06-12 ⓘ |
| precededBy | Imagawa Yoshimoto's march toward Kyoto ⓘ |
| primaryTheater | central Honshu ⓘ |
| result |
Oda victory
ⓘ
death of Imagawa Yoshimoto ⓘ |
| significance |
early demonstration of Oda Nobunaga's military genius
ⓘ
pivotal battle of the Sengoku period ⓘ |
| strength |
Imagawa forces numerically superior
ⓘ
Oda forces outnumbered ⓘ |
| tacticalFeature |
attack on Imagawa main camp
ⓘ
use of terrain and weather for concealment ⓘ |
| year | Eiroku 3 (Japanese era name) ⓘ |
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: Battle of Okehazama Description of subject: The Battle of Okehazama was a pivotal 1560 conflict in Japan in which the outnumbered Oda Nobunaga defeated Imagawa Yoshimoto, marking the rise of Nobunaga as a major warlord of the Sengoku period.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.