Aizu Domain
E394124
Aizu Domain was a powerful feudal domain in Japan’s Edo period, renowned for its samurai culture, loyalty to the Tokugawa shogunate, and pivotal role in the late-19th-century conflicts that led to the Meiji Restoration.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Aizu Domain canonical | 2 |
| Aizu domain | 1 |
| Aizu-han | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3754578 — 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: Aizu Domain Context triple: [Boshin War, belligerent, Aizu Domain]
-
A.
Tosa Domain
Tosa Domain was a feudal han in Shikoku during Japan’s Edo period, ruled by the Yamauchi clan and later known for producing influential Meiji-era political leaders.
-
B.
Kagoshima Domain
Kagoshima Domain was a powerful feudal domain in southern Kyushu, Japan, centered in Satsuma and known for its leading role in the Meiji Restoration.
-
C.
Nagaoka Domain
Nagaoka Domain was a feudal han of the Edo period in Japan, ruled by daimyō and centered in what is now Nagaoka, Niigata Prefecture.
-
D.
Chōshū Domain
Chōshū Domain was a powerful feudal domain in western Honshu, Japan, centered in present-day Yamaguchi Prefecture, that played a leading role in the Meiji Restoration.
-
E.
Tsuwano Domain
Tsuwano Domain was a small feudal han in western Japan’s Chūgoku region during the Edo period, centered on the castle town of Tsuwano in present-day Shimane Prefecture.
- 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: Aizu Domain Target entity description: Aizu Domain was a powerful feudal domain in Japan’s Edo period, renowned for its samurai culture, loyalty to the Tokugawa shogunate, and pivotal role in the late-19th-century conflicts that led to the Meiji Restoration.
-
A.
Tosa Domain
Tosa Domain was a feudal han in Shikoku during Japan’s Edo period, ruled by the Yamauchi clan and later known for producing influential Meiji-era political leaders.
-
B.
Kagoshima Domain
Kagoshima Domain was a powerful feudal domain in southern Kyushu, Japan, centered in Satsuma and known for its leading role in the Meiji Restoration.
-
C.
Nagaoka Domain
Nagaoka Domain was a feudal han of the Edo period in Japan, ruled by daimyō and centered in what is now Nagaoka, Niigata Prefecture.
-
D.
Chōshū Domain
Chōshū Domain was a powerful feudal domain in western Honshu, Japan, centered in present-day Yamaguchi Prefecture, that played a leading role in the Meiji Restoration.
-
E.
Tsuwano Domain
Tsuwano Domain was a small feudal han in western Japan’s Chūgoku region during the Edo period, centered on the castle town of Tsuwano in present-day Shimane Prefecture.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Edo-period domain
ⓘ
feudal domain ⓘ han ⓘ |
| abolished | 1871 ⓘ |
| alliedWith | Shinsengumi ⓘ |
| alternativeName |
Aizu Domain
ⓘ
surface form:
Aizu-han
Wakamatsu Domain ⓘ |
| alternativeNameOfCastle | Tsuruga Castle is also called Wakamatsu Castle ⓘ |
| battle | Battle of Aizu ⓘ |
| capital | Wakamatsu Castle ⓘ |
| conflict | Boshin War ⓘ |
| country | Japan ⓘ |
| culturalLegacy |
Aizu samurai code of loyalty and endurance
ⓘ
Byakkotai ⓘ
surface form:
Byakkotai legend
|
| daimyoClan |
Matsudaira clan
ⓘ
surface form:
Aizu-Matsudaira clan
|
| education |
Aizu Sazae-dō
ⓘ
surface form:
Aizu domain school Nisshinkan
|
| era | Edo period ⓘ |
| founder | Gamō Ujisato NERFINISHED ⓘ |
| governanceSystem | bakuhan system ⓘ |
| knownFor |
Byakkotai youth corps
ⓘ
loyalty to the Tokugawa shogunate ⓘ role in the Boshin War ⓘ samurai culture ⓘ strict martial education at Nisshinkan ⓘ |
| kokudaka | 240000 koku ⓘ |
| laterRulingClan |
Matsudaira clan
ⓘ
surface form:
Matsudaira clan of Aizu
|
| laterStatus | fudai-like trusted domain ⓘ |
| locatedIn |
Aizu region
ⓘ
Mutsu Province NERFINISHED ⓘ |
| militaryRole |
guardian of the northern approaches to Edo
ⓘ
responsible for security in Kyoto in the 1860s ⓘ |
| notableDaimyo |
Hoshina Masayuki
NERFINISHED
ⓘ
Matsudaira Katamori ⓘ Matsudaira Katanobu NERFINISHED ⓘ Matsudaira Katataka NERFINISHED ⓘ |
| notableEvent | siege of Tsuruga Castle in 1868 ⓘ |
| notableGroup |
Aizu samurai retainers
ⓘ
Byakkotai ⓘ |
| opposedBy |
Chōshū Domain
ⓘ
Imperial Japanese government forces ⓘ
surface form:
Imperial forces during the Boshin War
Kagoshima Domain ⓘ
surface form:
Satsuma Domain
|
| politicalAllegiance | Tokugawa shogunate ⓘ |
| primaryCastle | Tsuruga Castle ⓘ |
| regionToday | Fukushima Prefecture NERFINISHED ⓘ |
| religiousInstitution | Aizu Sazae-dō ⓘ |
| roleInMeijiRestoration | center of pro-Tokugawa resistance in northern Japan ⓘ |
| status | tozama domain ⓘ |
| successorEntity |
Fukushima Prefecture
NERFINISHED
ⓘ
Wakamatsu Prefecture NERFINISHED ⓘ |
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: Aizu Domain Description of subject: Aizu Domain was a powerful feudal domain in Japan’s Edo period, renowned for its samurai culture, loyalty to the Tokugawa shogunate, and pivotal role in the late-19th-century conflicts that led to the Meiji Restoration.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aizu domain
this entity surface form:
Aizu-han