Battle of Ichi-no-Tani
E427031
The Battle of Ichi-no-Tani was a pivotal 1184 clash in Japan’s Genpei War in which Minamoto forces routed the Taira clan by attacking their coastal fortress from both land and sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Ichi-no-Tani canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T4204873 — 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 Ichi-no-Tani Context triple: [Genpei War, notableBattle, Battle of Ichi-no-Tani]
-
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.
Battle of Ishibashiyama
The Battle of Ishibashiyama was an early and ultimately unsuccessful engagement in 1180 in which Minamoto no Yoritomo first raised arms against the Taira clan during Japan’s Genpei War.
-
C.
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.
-
D.
Battle of Toba–Fushimi
The Battle of Toba–Fushimi was a pivotal 1868 clash near Kyoto in which imperial forces decisively defeated the Tokugawa shogunate, marking a major turning point in Japan’s Meiji Restoration.
-
E.
Battle of Tabaruzaka
The Battle of Tabaruzaka was a major 1877 clash in Japan between imperial government forces and samurai rebels, marking one of the bloodiest and most decisive engagements of the Satsuma Rebellion.
- 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 Ichi-no-Tani Target entity description: The Battle of Ichi-no-Tani was a pivotal 1184 clash in Japan’s Genpei War in which Minamoto forces routed the Taira clan by attacking their coastal fortress from both land and sea.
-
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.
Battle of Ishibashiyama
The Battle of Ishibashiyama was an early and ultimately unsuccessful engagement in 1180 in which Minamoto no Yoritomo first raised arms against the Taira clan during Japan’s Genpei War.
-
C.
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.
-
D.
Battle of Toba–Fushimi
The Battle of Toba–Fushimi was a pivotal 1868 clash near Kyoto in which imperial forces decisively defeated the Tokugawa shogunate, marking a major turning point in Japan’s Meiji Restoration.
-
E.
Battle of Tabaruzaka
The Battle of Tabaruzaka was a major 1877 clash in Japan between imperial government forces and samurai rebels, marking one of the bloodiest and most decisive engagements of the Satsuma Rebellion.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
historical event ⓘ |
| associatedWith | Kamakura shogunate rise ⓘ |
| belligerent |
Minamoto clan
ⓘ
Taira clan ⓘ |
| campaign | Minamoto campaign against western Taira strongholds ⓘ |
| cause | ongoing struggle between Minamoto and Taira for control of Japan ⓘ |
| combatantStrength |
Minamoto forces numerically superior
ⓘ
Taira forces entrenched in fortress ⓘ |
| commander |
Minamoto no Noriyori
ⓘ
Minamoto no Yoshitsune ⓘ Taira no Munemori ⓘ Taira no Shigehira ⓘ |
| conflict | Genpei War ⓘ |
| consequence |
Taira leadership forced to flee westward
ⓘ
weakened Taira military power ⓘ |
| country | Japan ⓘ |
| culturalDepiction |
Heike Monogatari
ⓘ
linked to:
The Tale of the Heike
Noh plays about Atsumori ⓘ |
| date | 1184 ⓘ |
| description | Minamoto forces attacked the Taira fortress from both land and sea ⓘ |
| era | late Heian period ⓘ |
| followedBy | Battle of Yashima ⓘ |
| fortressType | coastal fortress ⓘ |
| geographicalFeature |
narrow coastal plain
ⓘ
steep cliffs above the coast ⓘ |
| historicalPeriod | 12th century ⓘ |
| location |
Ichi-no-Tani
ⓘ
near present-day Kobe ⓘ |
| militaryBranch | samurai forces ⓘ |
| notableFigure |
Minamoto no Yoshitsune
ⓘ
Taira no Atsumori ⓘ |
| partOf | Genpei War ⓘ |
| precededBy |
Battle of Mizushima
ⓘ
linked to:
Battle of Fujikawa
|
| region | Seto Inland Sea region ⓘ |
| result | Minamoto victory ⓘ |
| significance |
helped shift momentum of the Genpei War to the Minamoto
ⓘ
major setback for the Taira clan ⓘ |
| strategicObjective | capture of Taira stronghold at Ichi-no-Tani ⓘ |
| tactic |
descent down steep cliffs
ⓘ
frontal assault ⓘ pincer attack ⓘ surprise attack from the rear ⓘ |
| weaponType |
bows and arrows
ⓘ
spears ⓘ swords ⓘ |
| year | 1184 ⓘ |
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 Ichi-no-Tani Description of subject: The Battle of Ichi-no-Tani was a pivotal 1184 clash in Japan’s Genpei War in which Minamoto forces routed the Taira clan by attacking their coastal fortress from both land and sea.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.