Battle of Yashima
E428199
The Battle of Yashima was a pivotal 1185 naval and land engagement in Japan’s Genpei War, where Minamoto forces decisively defeated the Taira clan near Shikoku, hastening the Taira’s downfall.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Yashima canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4204874 — 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 Yashima Context triple: [Genpei War, notableBattle, Battle of Yashima]
-
A.
Battle of Dan-no-ura
The Battle of Dan-no-ura was a decisive 1185 naval clash in Japan’s Genpei War in which the Minamoto defeated the Taira, leading to the fall of the Taira clan and the rise of the Kamakura shogunate.
-
B.
Battle of Miyako Bay
The Battle of Miyako Bay was a naval engagement in 1869 during Japan’s Boshin War, in which remnants of the Tokugawa shogunate’s fleet attempted a surprise attack against Imperial forces as part of the final resistance to the Meiji Restoration.
-
C.
Battle of Nagashino
The Battle of Nagashino was a pivotal 1575 clash in Japan’s Sengoku period where Oda Nobunaga’s innovative use of massed arquebusiers decisively defeated the Takeda cavalry, signaling a shift toward firearms-dominated warfare.
-
D.
Battle of Ichi-no-Tani
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.
-
E.
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.
- 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 Yashima Target entity description: The Battle of Yashima was a pivotal 1185 naval and land engagement in Japan’s Genpei War, where Minamoto forces decisively defeated the Taira clan near Shikoku, hastening the Taira’s downfall.
-
A.
Battle of Dan-no-ura
The Battle of Dan-no-ura was a decisive 1185 naval clash in Japan’s Genpei War in which the Minamoto defeated the Taira, leading to the fall of the Taira clan and the rise of the Kamakura shogunate.
-
B.
Battle of Miyako Bay
The Battle of Miyako Bay was a naval engagement in 1869 during Japan’s Boshin War, in which remnants of the Tokugawa shogunate’s fleet attempted a surprise attack against Imperial forces as part of the final resistance to the Meiji Restoration.
-
C.
Battle of Nagashino
The Battle of Nagashino was a pivotal 1575 clash in Japan’s Sengoku period where Oda Nobunaga’s innovative use of massed arquebusiers decisively defeated the Takeda cavalry, signaling a shift toward firearms-dominated warfare.
-
D.
Battle of Ichi-no-Tani
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.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
land battle ⓘ naval battle ⓘ |
| associatedWith |
Minamoto no Yoshitsune
NERFINISHED
ⓘ
Taira no Munemori NERFINISHED ⓘ |
| combatant |
Minamoto clan
NERFINISHED
ⓘ
Taira clan NERFINISHED ⓘ |
| conflictOf | Genpei War NERFINISHED ⓘ |
| consequence | hastened the downfall of the Taira clan ⓘ |
| country | Japan ⓘ |
| date | 1185 ⓘ |
| era | late Heian period ⓘ |
| followedBy | Battle of Dan-no-ura NERFINISHED ⓘ |
| geographicalContext | near the island of Shikoku ⓘ |
| historicalPeriod | 12th century ⓘ |
| location |
Japan
NERFINISHED
ⓘ
Shikoku NERFINISHED ⓘ Yashima NERFINISHED ⓘ |
| outcome | decisive Minamoto victory ⓘ |
| partOf | Genpei War NERFINISHED ⓘ |
| partOfCampaign | Minamoto campaign against the Taira NERFINISHED ⓘ |
| partOfSeries | late Genpei War battles ⓘ |
| precededBy | Battle of Ichi-no-Tani NERFINISHED ⓘ |
| result | Minamoto victory ⓘ |
| significance |
contributed to the end of Taira dominance in Japan
ⓘ
pivotal engagement in the Genpei War ⓘ |
| theaterOfWar | Seto Inland Sea region NERFINISHED ⓘ |
| typeOfWarfare |
land warfare
ⓘ
naval warfare ⓘ |
| year | 1185 ⓘ |
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 Yashima Description of subject: The Battle of Yashima was a pivotal 1185 naval and land engagement in Japan’s Genpei War, where Minamoto forces decisively defeated the Taira clan near Shikoku, hastening the Taira’s downfall.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.