British Ultimatum of 1890

E119549

The British Ultimatum of 1890 was a diplomatic demand by the United Kingdom that forced Portugal to abandon its colonial ambitions of linking Angola and Mozambique in southern Africa, triggering a major political crisis and nationalist backlash in Portugal.

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All labels observed (1)

Label Occurrences
British Ultimatum of 1890 canonical 2

Statements (42)

Predicate Object
instanceOf diplomatic ultimatum
international crisis
affected Portuguese colonial policy in Africa
associatedWithConcept Pink Map (Portuguese colonial project)
consequenceForPortugal growth of anti-British sentiment
humiliation in foreign policy
internal political instability
contributedTo delegitimization of the Portuguese monarchy
rise of Portuguese republicanism
countryAddressedTo Portugal
countryIssuedBy United Kingdom
date 1890
demandedAction Portugal abandon plans to link Angola and Mozambique
Portugal withdraw from disputed territories between Angola and Mozambique
enforcedBy British military and naval power potential
historicalContext Anglo-Portuguese Alliance
surface form: Anglo-Portuguese Treaty negotiations

late 19th century European imperialism
impactOnTerritorialClaims facilitation of British-controlled north–south axis in Africa
limitation of Portuguese claims in central Africa
languageOfDiplomacy English
location Southern Africa
surface form: southern Africa
longTermEffect strengthening of Portuguese nationalist discourse
weakening of traditional Anglo-Portuguese alliance in Portuguese public opinion
mainTheater Angola
Mozambique
motivatedBy British desire to control routes in central southern Africa
British opposition to continuous Portuguese belt across Africa
opposedAmbitionOf Portuguese project to link Angola and Mozambique
opposedBy Portuguese nationalists
partOf history of Anglo-Portuguese relations
history of the British Empire
history of the Portuguese Empire
perceivedAs national humiliation in Portugal
preceded further Anglo-Portuguese colonial agreements in Africa
relatedDocument 1891 Portuguese Constitution revision debates
relatedTo Anglo-Portuguese colonial rivalry
Scramble for Africa
resultedIn Portuguese retreat from parts of central and southern Africa
strengthening of British influence in central southern Africa
triggered nationalist backlash in Portugal
political crisis in Portugal
typeOfDemand threat of force-backed diplomatic note

Referenced by (2)

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

The Portuguese historicalContext British Ultimatum of 1890
subject surface form: A Portuguesa
Portuguese Constitutional Monarchy hasKeyEvent British Ultimatum of 1890