Treaty of San Ildefonso (1800)

E66935

The Treaty of San Ildefonso (1800) was a secret agreement by which Spain retroceded the vast territory of Louisiana to France, reshaping the balance of power in North America and paving the way for the Louisiana Purchase.

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Observed surface forms (2)


Statements (46)

Predicate Object
instanceOf bilateral treaty
international agreement
secret treaty
affectedRegion Louisiana Territory
North America
alsoKnownAs Treaty of San Ildefonso (1800)
surface form: Third Treaty of San Ildefonso
category Treaties involving France
Treaties involving Spain
Treaties of 1800
characteristic secret agreement
concerns Territory of Orleans
surface form: Louisiana colony

colonial territories in the Americas
concludedIn San Ildefonso, Spain
historicalContext post-French Revolutionary Wars diplomacy
historicalPeriod Napoleonic era
impact reshaped balance of power in North America
influenced United States territorial expansion
geopolitics of the Mississippi River valley
language French
Spanish
legalEffect transfer of Louisiana from Spain to France
legalStatusOfLouisiana returned to French control
locationCountry Spain
negotiatedBy France
Spain
party France
Spain
pavedWayFor Louisiana Purchase
precedes Louisiana Purchase
preconditionFor sale of Louisiana to the United States
relatedEvent Louisiana Purchase
Napoleonic Wars
relatedTo Franco-Spanish relations
French colonial expansion
Spanish colonial policy
retrocededTerritory Louisiana
signatory French Republic
Kingdom of Spain
signedIn San Ildefonso, Spain
signedOn 1800-10-01
status implemented
subject retrocession of Louisiana
transferredFrom Spain
transferredTo France
typeOfTransfer territorial retrocession
year 1800

Referenced by (5)

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

Treaty of San Ildefonso (1800) alsoKnownAs Treaty of San Ildefonso (1800)
this entity surface form: Third Treaty of San Ildefonso
Charles IV of Spain notableEvent Treaty of San Ildefonso (1800)
Manuel Godoy notableWork Treaty of San Ildefonso (1800)
Louisiana Purchase precededBy Treaty of San Ildefonso (1800)
this entity surface form: Third Treaty of San Ildefonso
Treaty of San Ildefonso (1796) successor Treaty of San Ildefonso (1800)
this entity surface form: Third Treaty of San Ildefonso (1800)