Sino-American Mutual Defense Treaty

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The Sino-American Mutual Defense Treaty was a Cold War-era security pact under which the United States pledged to help defend the Republic of China (Taiwan) against armed attack, significantly shaping U.S.–China–Taiwan relations until its termination in 1980.

All labels observed (5)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Cold War-era security pact
bilateral defense treaty
alsoKnownAs Sino-U.S. Mutual Defense Treaty
United States–Republic of China Mutual Defense Treaty
articleContent committed the United States to act to meet the common danger in accordance with its constitutional processes
required parties to consult when either was threatened by armed attack
cameIntoEffect 1955
category Military alliances involving Taiwan
Military alliances involving the United States
Treaties of the Republic of China
Treaties of the United States
countryProtected Republic of China
Taiwan
dateSigned 1954-12-02
endedBecauseOf shift in U.S. recognition from Republic of China to People's Republic of China
enteredIntoForce 1955-03-03
geographicScope Pescadores Islands
Taiwan
Western Pacific area
historicalContext Cold War
U.S.–China–Taiwan relations
influenced U.S. military posture in the Taiwan Strait
deterrence of large-scale PRC attack on Taiwan
inForceDuring First Taiwan Strait Crisis
Second Taiwan Strait Crisis
Third Taiwan Strait Crisis
language Chinese
English
legalBasisFor U.S. security commitment to Taiwan before 1979
obligationType consultation in case of armed attack
mutual defense obligation
placeSigned Washington, D.C.
politicalImpact constrained U.S. policy options toward the People's Republic of China
strengthened alliance between the United States and the Republic of China
primaryAdversaryContext People's Republic of China
linked to: China
purpose deter armed attack on Taiwan and the Pescadores
mutual defense against armed attack in the Western Pacific area
strengthen security in the Western Pacific
relatedLegislation Formosa Resolution of 1955
linked to: Formosa Resolution
replacedBy Taiwan Relations Act
securityRole cornerstone of U.S.–ROC security relations until 1980
signatory Republic of China
United States
terminatedBy United States
terminatedFollowing U.S. recognition of the People's Republic of China in 1979
establishment of diplomatic relations between the United States and the People's Republic of China
terminatedOn 1980-01-01
terminationEffectiveDate 1980

How these facts were elicited

Referenced by (6)

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

First Taiwan Strait Crisis relatedTreaty Sino-American Mutual Defense Treaty
Treaties of the Republic of China hasPart Sino‑American Mutual Defense Treaty
linked to: Sino-American Mutual Defense Treaty
Sino-American Mutual Defense Treaty alsoKnownAs Sino-U.S. Mutual Defense Treaty
linked to: Sino-American Mutual Defense Treaty
Sino-American Mutual Defense Treaty alsoKnownAs United States–Republic of China Mutual Defense Treaty
linked to: Sino-American Mutual Defense Treaty
Quemoy Crisis relatedAgreement Sino-American Mutual Defense Treaty
Goldwater v. Carter treatyInvolved Mutual Defense Treaty between the United States of America and the Republic of China
linked to: Sino-American Mutual Defense Treaty