Treaty of Alcáçovas

E150736

The Treaty of Alcáçovas was a 1479 peace agreement between Portugal and Castile that helped end the War of the Castilian Succession and divided Atlantic spheres of influence, confirming Portuguese control over most Atlantic islands and West African territories.

All labels observed (4)

Label Occurrences
Treaty of Alcáçovas canonical 5
Peace of Alcáçovas 1
Treaty of Alcáçovas-Toledo 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf international treaty
peace treaty
allocatedTo Atlantic islands south of the Canaries – Kingdom of Portugal
Canary Islands – Crown of Castile
West African trade – Kingdom of Portugal
alsoKnownAs Peace of Alcáçovas
Treaty of Alcáçovas-Toledo
category 15th-century treaties
Treaties of Portugal
Treaties of the Crown of Castile
linked to: Treaties of Spain
confirmedControlOf Azores
Cape Verde Islands
Guinea coast
linked to: Guinea Coast

Madeira
West African territories south of the Canary Islands
dateSigned 1479-09-04
endedConflict War of the Castilian Succession
followedEvent Battle of Toro
granted Portuguese monopoly over navigation and trade in Guinea
Portuguese monopoly over navigation and trade in lands south of the Canary Islands
historicalPeriod Age of Discovery
linked to: Age of Exploration
impact limited Castilian expansion in the Atlantic before Columbus
strengthened Portuguese maritime empire in the Atlantic
includedClause Portuguese renunciation of claims to the Castilian throne
marriage arrangements between the houses of Trastámara and Avis
renunciation of Castilian claims to Portuguese Atlantic possessions
involvedDynasticClaim Isabella I of Castile
Joanna la Beltraneja
language Castilian
Portuguese
limitedRightsOf Castilian navigation in the Atlantic south of the Canary Islands
partOf War of the Castilian Succession
predecessorOf Treaty of Tordesillas
recognizedAs Castilian sovereignty over the Canary Islands
Portuguese sphere of influence in the Atlantic
result division of Atlantic spheres of influence
peace between Portugal and Castile
signatory Crown of Castile
Kingdom of Portugal
signedIn Alcáçovas
Kingdom of Portugal
subject Atlantic islands sovereignty
West African trade
colonial expansion
maritime navigation rights
yearSigned 1479

How these facts were elicited

Referenced by (8)

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

John II of Portugal notableEvent Treaty of Alcáçovas
Kingdom of Granada significantTreaty Treaty of Granada (1491)
linked to: Treaty of Alcáçovas
War of the Castilian Succession treaty Treaty of Alcáçovas
War of the Castilian Succession endCause Treaty of Alcáçovas
Treaty of Alcáçovas alsoKnownAs Treaty of Alcáçovas-Toledo
linked to: Treaty of Alcáçovas
Treaty of Alcáçovas alsoKnownAs Peace of Alcáçovas
linked to: Treaty of Alcáçovas
Battle of Toro followedBy Treaty of Alcáçovas
Aeterni regis confirmedTreaty Treaty of Alcáçovas
subject linked to: papal bull Aeterni regis