Treaty of Ganghwa (1876)
E609547
The Treaty of Ganghwa (1876) was an unequal treaty imposed by Japan on Korea that opened Korean ports to Japanese trade and marked the beginning of Korea’s modern era of foreign intervention and diminished sovereignty.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Japan–Korea Treaty of 1876 | 1 |
| Japan–Korea Treaty of 1876 (Ganghwa Treaty) negotiations | 1 |
| Treaty of Ganghwa (1876) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6646734 — 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: Treaty of Ganghwa (1876) Context triple: [Ganghwa Island, relatedEvent, Treaty of Ganghwa (1876)]
-
A.
Japan–Korea Treaty of 1905
The Japan–Korea Treaty of 1905 was an agreement that effectively stripped the Korean Empire of its diplomatic sovereignty and placed it under Japanese control, paving the way for Japan’s formal annexation of Korea.
-
B.
Japan–Korea Treaty of 1907
The Japan–Korea Treaty of 1907 was an unequal agreement that further stripped the Korean Empire of its sovereignty and solidified Japan’s control, paving the way for Korea’s eventual annexation.
-
C.
Treaty of the Bogue
The Treaty of the Bogue was an 1843 supplementary agreement to the Treaty of Nanking that expanded British commercial and legal privileges in China during the Opium Wars era.
-
D.
Treaty of Shimonoseki
The Treaty of Shimonoseki was an 1895 peace agreement between Qing China and Japan that ended the First Sino-Japanese War and marked Japan’s emergence as a major imperial power in East Asia.
-
E.
Japan–Korea Annexation Treaty
The Japan–Korea Annexation Treaty was the 1910 agreement through which the Japanese Empire formally annexed Korea, initiating a period of colonial rule under a Japanese governor-general.
- 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: Treaty of Ganghwa (1876) Target entity description: The Treaty of Ganghwa (1876) was an unequal treaty imposed by Japan on Korea that opened Korean ports to Japanese trade and marked the beginning of Korea’s modern era of foreign intervention and diminished sovereignty.
-
A.
Japan–Korea Treaty of 1905
The Japan–Korea Treaty of 1905 was an agreement that effectively stripped the Korean Empire of its diplomatic sovereignty and placed it under Japanese control, paving the way for Japan’s formal annexation of Korea.
-
B.
Japan–Korea Treaty of 1907
The Japan–Korea Treaty of 1907 was an unequal agreement that further stripped the Korean Empire of its sovereignty and solidified Japan’s control, paving the way for Korea’s eventual annexation.
-
C.
Treaty of the Bogue
The Treaty of the Bogue was an 1843 supplementary agreement to the Treaty of Nanking that expanded British commercial and legal privileges in China during the Opium Wars era.
-
D.
Treaty of Shimonoseki
The Treaty of Shimonoseki was an 1895 peace agreement between Qing China and Japan that ended the First Sino-Japanese War and marked Japan’s emergence as a major imperial power in East Asia.
-
E.
Japan–Korea Annexation Treaty
The Japan–Korea Annexation Treaty was the 1910 agreement through which the Japanese Empire formally annexed Korea, initiating a period of colonial rule under a Japanese governor-general.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bilateral treaty
ⓘ
international agreement ⓘ |
| alsoKnownAs |
Japan–Korea Treaty of 1876
NERFINISHED
ⓘ
Korea–Japan Treaty of Amity NERFINISHED ⓘ Treaty of Kanghwa NERFINISHED ⓘ |
| category |
Treaties of Korea
NERFINISHED
ⓘ
Treaties of the Empire of Japan ⓘ Unequal treaties in East Asia ⓘ |
| consideredByHistoriansAs | beginning of Korea’s modern era of foreign intervention ⓘ |
| dateSigned | 1876-02-27 ⓘ |
| effect |
began era of treaty-port system in Korea
ⓘ
facilitated later Japanese intervention in Korean affairs ⓘ increased Japanese political influence in Korea ⓘ opened Korea to Japanese trade ⓘ weakened Korean sovereignty ⓘ |
| followedEvent | Ganghwa Island incident (1875) NERFINISHED ⓘ |
| grantedRight |
extraterritoriality for Japanese citizens in Korea
ⓘ
most-favored-nation status to Japan in Korea ⓘ unilateral tariff privileges for Japan in Korea ⓘ |
| historicalContext | Meiji Japan expansionism ⓘ |
| historicalPeriod | late Joseon dynasty NERFINISHED ⓘ |
| imposedBy | Empire of Japan NERFINISHED ⓘ |
| imposedOn | Joseon Korea NERFINISHED ⓘ |
| inspiredByModel |
Treaty of Nanjing system in China
NERFINISHED
ⓘ
unequal treaties imposed on Japan by Western powers ⓘ |
| language |
Classical Chinese
ⓘ
Japanese ⓘ |
| legalBasisFor |
Japanese commercial presence in Korean treaty ports
ⓘ
Japanese consular jurisdiction in Korea ⓘ |
| longTermConsequence |
contributed to Japanese annexation of Korea in 1910
ⓘ
contributed to Japanese protectorate over Korea in 1905 ⓘ |
| openedPort |
Busan
NERFINISHED
ⓘ
Incheon NERFINISHED ⓘ Wonsan NERFINISHED ⓘ |
| placeSigned | Ganghwa Island NERFINISHED ⓘ |
| precededBy | traditional tributary relationship between Korea and Qing China ⓘ |
| relatedEvent |
opening of Korean ports
ⓘ
rise of Korean reform and isolationist factions ⓘ |
| restricted |
Korean judicial sovereignty over Japanese subjects
ⓘ
Korean tariff autonomy ⓘ |
| signatory |
Empire of Japan
NERFINISHED
ⓘ
Joseon Korea NERFINISHED ⓘ |
| stated | Korea is an independent state equal in status to Japan ⓘ |
| subjectMatter |
diplomatic relations between Japan and Korea
ⓘ
legal status of Japanese nationals in Korea ⓘ trade regulations in Korean ports ⓘ |
| undermined | Qing China’s suzerain influence over Korea ⓘ |
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: Treaty of Ganghwa (1876) Description of subject: The Treaty of Ganghwa (1876) was an unequal treaty imposed by Japan on Korea that opened Korean ports to Japanese trade and marked the beginning of Korea’s modern era of foreign intervention and diminished sovereignty.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Japan–Korea Treaty of 1876 (Ganghwa Treaty) negotiations
this entity surface form:
Japan–Korea Treaty of 1876