Okinawa Reversion Agreement
E1013298
The Okinawa Reversion Agreement was a 1971 treaty between the United States and Japan that returned administrative control of Okinawa to Japan, formally ending decades of post–World War II U.S. military governance there.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Okinawa Reversion Agreement canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12994132 — 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: Okinawa Reversion Agreement Context triple: [American occupation of Okinawa, endCause, Okinawa Reversion Agreement]
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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.
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B.
U.S.–Japan Status of Forces Agreement
The U.S.–Japan Status of Forces Agreement is a bilateral pact that defines the legal status, rights, and obligations of U.S. military personnel stationed in Japan.
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C.
Japan–Soviet Joint Declaration of 1956
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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D.
United Nations Trusteeship Agreement for the Former Japanese Mandated Islands
The United Nations Trusteeship Agreement for the Former Japanese Mandated Islands was the international legal instrument that established and governed the post–World War II UN trusteeship system over Japan’s former Pacific island territories, primarily administered by the United States.
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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: Okinawa Reversion Agreement Target entity description: The Okinawa Reversion Agreement was a 1971 treaty between the United States and Japan that returned administrative control of Okinawa to Japan, formally ending decades of post–World War II U.S. military governance there.
-
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.
U.S.–Japan Status of Forces Agreement
The U.S.–Japan Status of Forces Agreement is a bilateral pact that defines the legal status, rights, and obligations of U.S. military personnel stationed in Japan.
-
C.
Japan–Soviet Joint Declaration of 1956
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.
-
D.
United Nations Trusteeship Agreement for the Former Japanese Mandated Islands
The United Nations Trusteeship Agreement for the Former Japanese Mandated Islands was the international legal instrument that established and governed the post–World War II UN trusteeship system over Japan’s former Pacific island territories, primarily administered by the United States.
-
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 (46)
| Predicate | Object |
|---|---|
| instanceOf |
Japan–United States treaty
ⓘ
bilateral treaty ⓘ international agreement ⓘ |
| alsoKnownAs | Agreement between Japan and the United States of America concerning the Ryukyu Islands and the Daito Islands NERFINISHED ⓘ |
| appliesToTerritory |
Daito Islands
NERFINISHED
ⓘ
Okinawa Prefecture NERFINISHED ⓘ Ryukyu Islands NERFINISHED ⓘ |
| cameIntoEffectOn | same day as reversion of Okinawa to Japanese administration ⓘ |
| category |
1971 in international relations
ⓘ
Japan–United States relations NERFINISHED ⓘ Treaties of Japan ⓘ Treaties of the United States ⓘ |
| context | postwar settlement of territories formerly under U.S. occupation ⓘ |
| countrySignatory |
Japan
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| dateSigned | 1971-06-17 ⓘ |
| diplomaticProcess | bilateral negotiations between Japan and the United States in the late 1960s and early 1970s ⓘ |
| endedAdministrationBy | United States Civil Administration of the Ryukyu Islands NERFINISHED ⓘ |
| enteredIntoForce | 1972-05-15 ⓘ |
| follows | post–World War II U.S. military occupation of Okinawa ⓘ |
| governingLawAfter | Japanese domestic law applied to Okinawa GENERATED ⓘ |
| historicalPeriod | Cold War ⓘ |
| impact |
formal end of U.S. military government in Okinawa
ⓘ
integration of Okinawa into Japan’s legal and administrative system ⓘ |
| implementedOn | 1972-05-15 ⓘ |
| language |
English
ⓘ
Japanese ⓘ |
| legalEffect | superseded U.S. Civil Administration authority in the Ryukyu Islands ⓘ |
| legalStatusAfter | Okinawa became part of Japan’s home territory ⓘ |
| maintained | U.S. military presence in Okinawa under new legal framework ⓘ |
| negotiatedBetween | Japanese Ministry of Foreign Affairs and U.S. Department of State NERFINISHED ⓘ |
| placeSigned | Washington, D.C. NERFINISHED ⓘ |
| policyContext | U.S. policy of reversion of occupied territories to allied governments ⓘ |
| providedFor |
continuation of U.S. military bases in Okinawa under the U.S.–Japan Security Treaty
ⓘ
return of administrative rights over Okinawa to Japan ⓘ |
| relatedTo |
San Francisco Peace Treaty
NERFINISHED
ⓘ
Treaty of Mutual Cooperation and Security between the United States and Japan NERFINISHED ⓘ |
| restoredSovereigntyTo | Japan NERFINISHED ⓘ |
| resultedIn | Okinawa Prefecture’s full return to Japanese administration ⓘ |
| securityArrangements | U.S. forces in Okinawa governed by the U.S.–Japan Status of Forces Agreement (SOFA) ⓘ |
| signedBy |
Government of Japan
NERFINISHED
ⓘ
Government of the United States NERFINISHED ⓘ |
| subject |
end of U.S. civil administration in Okinawa
ⓘ
reversion of Okinawa to Japan ⓘ |
| typeOfChange | transfer of administrative control ⓘ |
| year | 1971 ⓘ |
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: Okinawa Reversion Agreement Description of subject: The Okinawa Reversion Agreement was a 1971 treaty between the United States and Japan that returned administrative control of Okinawa to Japan, formally ending decades of post–World War II U.S. military governance there.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.