Treaty of Ganghwa (1876)

E609547

bilateral treaty international agreement

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.

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All labels observed (6)

Label	Occurrences
Japan–Korea Treaty of 1876	3
Japan–Korea Treaty of 1876 (Ganghwa Treaty) negotiations	1
Korea–Japan Treaty of Amity	1
Treaties of Korea	1
Treaty of Ganghwa (1876) canonical	1
Treaty of Kanghwa	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 ⓘ linked to: Treaty of Ganghwa (1876) Korea–Japan Treaty of Amity ⓘ linked to: Treaty of Ganghwa (1876) Treaty of Kanghwa ⓘ linked to: Treaty of Ganghwa (1876)
category	Treaties of Korea ⓘ linked to: Treaty of Ganghwa (1876) 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) ⓘ linked to: Ganghwa Island incident
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 ⓘ linked to: Joseon period (later years)
imposedBy	Empire of Japan ⓘ linked to: Imperial Japan
imposedOn	Joseon Korea ⓘ linked to: Joseon
inspiredByModel	Treaty of Nanjing system in China ⓘ linked to: Qing dynasty treaties 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 ⓘ Incheon ⓘ Wonsan ⓘ
placeSigned	Ganghwa Island ⓘ
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 ⓘ linked to: Imperial Japan Joseon Korea ⓘ linked to: Joseon
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