Hay–Quesada Treaty

E930751

bilateral treaty historical document international agreement

The Hay–Quesada Treaty was a 1903 agreement between the United States and Cuba that confirmed Cuban sovereignty over the Isle of Pines (Isla de Pinos) following the Spanish–American War.

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All labels observed (3)

Label	Occurrences
Hay–Quesada Agreement	1
Hay–Quesada Treaty canonical	1
Tratado Hay–Quesada	1

How this entity was disambiguated

This entity first appeared as the object of triple T11517630 — 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: Hay–Quesada Treaty
Context triple: [Isla de Pinos, treatyClarifyingSovereignty, Hay–Quesada Treaty]

A. Larrea–Gual Treaty
The Larrea–Gual Treaty was a 19th-century peace agreement that helped settle territorial and diplomatic disputes between Gran Colombia and Peru following their armed conflict.
B. Treaty of El Pardo
The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
C. Treaty of Lima
The Treaty of Lima was a 1929 agreement between Peru and Chile that definitively settled the long-standing territorial dispute over the provinces of Tacna and Arica following the War of the Pacific.
D. Treaty of Almazán
The Treaty of Almazán was a 14th-century peace agreement between Castile and Aragon that ended the protracted War of the Two Peters on the Iberian Peninsula.
E. Hay–Bunau-Varilla Treaty
The Hay–Bunau-Varilla Treaty was the 1903 agreement between the United States and Panama that granted the U.S. extensive control over the Panama Canal Zone and the construction of the Panama Canal.
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: Hay–Quesada Treaty
Target entity description: The Hay–Quesada Treaty was a 1903 agreement between the United States and Cuba that confirmed Cuban sovereignty over the Isle of Pines (Isla de Pinos) following the Spanish–American War.

A. Larrea–Gual Treaty
The Larrea–Gual Treaty was a 19th-century peace agreement that helped settle territorial and diplomatic disputes between Gran Colombia and Peru following their armed conflict.
B. Treaty of El Pardo
The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
C. Treaty of Lima
The Treaty of Lima was a 1929 agreement between Peru and Chile that definitively settled the long-standing territorial dispute over the provinces of Tacna and Arica following the War of the Pacific.
D. Treaty of Almazán
The Treaty of Almazán was a 14th-century peace agreement between Castile and Aragon that ended the protracted War of the Two Peters on the Iberian Peninsula.
E. Hay–Bunau-Varilla Treaty
The Hay–Bunau-Varilla Treaty was the 1903 agreement between the United States and Panama that granted the U.S. extensive control over the Panama Canal Zone and the construction of the Panama Canal.
F. None of above. chosen

Statements (30)

Predicate	Object
instanceOf	bilateral treaty ⓘ historical document ⓘ international agreement ⓘ
afterEvent	Spanish–American War ⓘ
alsoKnownAs	Hay–Quesada Agreement ⓘ linked to: Hay–Quesada Treaty Tratado Hay–Quesada ⓘ linked to: Hay–Quesada Treaty
concernsTerritory	Cuba ⓘ Isla de Pinos ⓘ Isle of Pines ⓘ United States ⓘ linked to: United States of America
confirmedSovereigntyFor	Cuba ⓘ
confirmedSovereigntyOver	Isla de Pinos ⓘ Isle of Pines ⓘ
countryInvolved	Cuba ⓘ United States ⓘ linked to: United States of America
dateSigned	1903 ⓘ
jurisdictionAffected	Republic of Cuba ⓘ linked to: Cuba United States of America ⓘ
language	English ⓘ Spanish ⓘ
namedAfter	Gonzalo de Quesada ⓘ John Hay ⓘ
region	Caribbean ⓘ
relatedTo	Cuban–American relations ⓘ post–Spanish–American War settlements ⓘ
signatory	Cuba ⓘ United States ⓘ linked to: United States of America
subject	sovereignty ⓘ territorial status of Isle of Pines ⓘ
year	1903 ⓘ

How these facts were elicited

Referenced by (3)

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

Isla de Pinos → treatyClarifyingSovereignty → Hay–Quesada Treaty ⓘ

Hay–Quesada Treaty → alsoKnownAs → Hay–Quesada Agreement ⓘ

linked to: Hay–Quesada Treaty

Hay–Quesada Treaty → alsoKnownAs → Tratado Hay–Quesada ⓘ