Japan–Soviet Joint Declaration of 1956

E583315

bilateral declaration international agreement post–World War II peace settlement instrument

The Japan–Soviet Joint Declaration of 1956 is a post–World War II bilateral agreement that restored diplomatic relations between Japan and the Soviet Union and laid groundwork for resolving their territorial and peace treaty issues.

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All labels observed (3)

Label	Occurrences
Japan–Soviet Joint Declaration of 1956 canonical	5
1956 Soviet–Japanese Joint Declaration	1
Japan–Russia peace treaty negotiations	1

How this entity was disambiguated

This entity first appeared as the object of triple T6294450 — 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: Japan–Soviet Joint Declaration of 1956
Context triple: [Northern Territories dispute, legalReference, Japan–Soviet Joint Declaration of 1956]

A. Treaty of San Francisco
The Treaty of San Francisco was the 1951 peace treaty between Japan and most Allied nations that officially ended World War II hostilities with Japan and restored its sovereignty.
B. Treaty of Ouchy
The Treaty of Ouchy was the 1912 peace agreement between Italy and the Ottoman Empire that ended the Italo-Turkish War and led to Italian control over Libya and the Dodecanese Islands.
C. Potsdam Declaration
The Potsdam Declaration was a 1945 statement by the Allied powers demanding Japan’s unconditional surrender and outlining the terms for ending World War II in the Pacific.
D. Panmunjom Declaration
The Panmunjom Declaration is a 2018 inter-Korean agreement in which the leaders of North and South Korea pledged to work toward peace, denuclearization, and improved relations on the Korean Peninsula.
E. 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.
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: Japan–Soviet Joint Declaration of 1956
Target entity description: The Japan–Soviet Joint Declaration of 1956 is a post–World War II bilateral agreement that restored diplomatic relations between Japan and the Soviet Union and laid groundwork for resolving their territorial and peace treaty issues.

A. Treaty of San Francisco
The Treaty of San Francisco was the 1951 peace treaty between Japan and most Allied nations that officially ended World War II hostilities with Japan and restored its sovereignty.
B. Treaty of Ouchy
The Treaty of Ouchy was the 1912 peace agreement between Italy and the Ottoman Empire that ended the Italo-Turkish War and led to Italian control over Libya and the Dodecanese Islands.
C. Potsdam Declaration
The Potsdam Declaration was a 1945 statement by the Allied powers demanding Japan’s unconditional surrender and outlining the terms for ending World War II in the Pacific.
D. Panmunjom Declaration
The Panmunjom Declaration is a 2018 inter-Korean agreement in which the leaders of North and South Korea pledged to work toward peace, denuclearization, and improved relations on the Korean Peninsula.
E. 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.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	bilateral declaration ⓘ international agreement ⓘ post–World War II peace settlement instrument ⓘ
alsoKnownAs	1956 Soviet–Japanese Joint Declaration NERFINISHED ⓘ Soviet–Japanese Joint Declaration of 1956 NERFINISHED ⓘ
category	1956 in international relations ⓘ Treaties of Japan ⓘ Treaties of the Soviet Union ⓘ
containsClauseOn	transfer of Habomai Islands ⓘ transfer of Shikotan Island ⓘ
countrySignatory	Japan NERFINISHED ⓘ Soviet Union NERFINISHED ⓘ
dateSigned	1956-10-19 ⓘ
endedStateOfWarBetween	Japan NERFINISHED ⓘ Soviet Union NERFINISHED ⓘ
historicalContext	Cold War NERFINISHED ⓘ
language	Japanese ⓘ Russian ⓘ
legalStatus	in force ⓘ
linkedDispute	Kuril Islands dispute ⓘ Northern Territories issue ⓘ
placeSigned	Moscow NERFINISHED ⓘ
precedes	Japan–Russia peace treaty negotiations ⓘ
preconditionFor	conclusion of a formal peace treaty between Japan and the Soviet Union ⓘ
providedFor	exchange of ambassadors ⓘ release and repatriation of Japanese detainees in the Soviet Union ⓘ resumption of consular relations ⓘ settlement of property and claims issues ⓘ
providedForUNMembershipSupportFor	Japan NERFINISHED ⓘ
recognizedBy	Government of Japan NERFINISHED ⓘ Government of the Soviet Union NERFINISHED ⓘ
region	East Asia ⓘ Far East NERFINISHED ⓘ
relatedToConflict	World War II NERFINISHED ⓘ
restoredDiplomaticRelationsBetween	Japan NERFINISHED ⓘ Soviet Union NERFINISHED ⓘ
signedBy	Ichirō Kōno NERFINISHED ⓘ Nikolai Bulganin NERFINISHED ⓘ Nobusuke Kishi NERFINISHED ⓘ Vyacheslav Molotov NERFINISHED ⓘ
stipulatedTransferTiming	after conclusion of a peace treaty ⓘ
subject	peace treaty negotiations ⓘ restoration of diplomatic relations ⓘ termination of the state of war ⓘ territorial dispute ⓘ
successorStateParty	Russian Federation NERFINISHED ⓘ
typeOfSettlement	partial normalization agreement ⓘ
yearSigned	1956 ⓘ

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Northern Territories dispute → legalReference → Japan–Soviet Joint Declaration of 1956 ⓘ

Shikotan → treatyMention → Japan–Soviet Joint Declaration of 1956 ⓘ

Shikotan → promisedForHandoverIn → Japan–Soviet Joint Declaration of 1956 ⓘ

Habomai Islands → treatyContext → Japan–Soviet Joint Declaration of 1956 ⓘ

Japan–Soviet relations → significantEvent → Japan–Soviet Joint Declaration of 1956 ⓘ

this entity surface form: 1956 Soviet–Japanese Joint Declaration

Northern Territories → subjectOf → Japan–Soviet Joint Declaration of 1956 ⓘ

this entity surface form: Japan–Russia peace treaty negotiations