Treaty of London (1890)
E665417
The Treaty of London (1890) was an agreement between Britain and Portugal that defined their colonial spheres of influence in Africa, particularly in regions such as present-day Malawi, Zambia, and Zimbabwe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Treaty of London (1890) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7408699 — 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: Treaty of London (1890) Context triple: [Treaties of Portugal, hasPart, Treaty of London (1890)]
-
A.
Treaty of London (1871)
The Treaty of London (1871) was an international agreement in which the European Great Powers revised the Black Sea clauses of the 1856 Treaty of Paris, effectively restoring Russia’s right to maintain a fleet there and reshaping the post-Crimean War balance of power.
-
B.
Treaty of London (1867)
The Treaty of London (1867) was an international agreement that guaranteed the neutrality and independence of Luxembourg while resolving a diplomatic crisis between Prussia and France over control of the duchy.
-
C.
Treaty of London (1831)
The Treaty of London (1831) was the international agreement by the major European powers that recognized Belgium as an independent and neutral state following its secession from the Netherlands.
-
D.
Treaty of London (1832)
The Treaty of London (1832) was an international agreement by the Great Powers that recognized Greece as an independent kingdom and established its borders and monarchy following the Greek War of Independence.
-
E.
Treaty of London (1913)
The Treaty of London (1913) was the peace agreement that ended the First Balkan War by redrawing the borders in the Balkans and significantly reducing the Ottoman Empire’s European territories.
- 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: Treaty of London (1890) Target entity description: The Treaty of London (1890) was an agreement between Britain and Portugal that defined their colonial spheres of influence in Africa, particularly in regions such as present-day Malawi, Zambia, and Zimbabwe.
-
A.
Treaty of London (1871)
The Treaty of London (1871) was an international agreement in which the European Great Powers revised the Black Sea clauses of the 1856 Treaty of Paris, effectively restoring Russia’s right to maintain a fleet there and reshaping the post-Crimean War balance of power.
-
B.
Treaty of London (1867)
The Treaty of London (1867) was an international agreement that guaranteed the neutrality and independence of Luxembourg while resolving a diplomatic crisis between Prussia and France over control of the duchy.
-
C.
Treaty of London (1831)
The Treaty of London (1831) was the international agreement by the major European powers that recognized Belgium as an independent and neutral state following its secession from the Netherlands.
-
D.
Treaty of London (1832)
The Treaty of London (1832) was an international agreement by the Great Powers that recognized Greece as an independent kingdom and established its borders and monarchy following the Greek War of Independence.
-
E.
Treaty of London (1913)
The Treaty of London (1913) was the peace agreement that ended the First Balkan War by redrawing the borders in the Balkans and significantly reducing the Ottoman Empire’s European territories.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
bilateral treaty
ⓘ
international treaty ⓘ |
| alsoKnownAs | Anglo-Portuguese Treaty of 1890 ⓘ |
| appliesToTerritory |
British Central Africa
ⓘ
linked to:
British Central Africa Protectorate
Portuguese East Africa ⓘ present-day Malawi ⓘ present-day Zambia ⓘ present-day Zimbabwe ⓘ |
| category |
Treaties of Portugal
ⓘ
Treaties of the United Kingdom ⓘ Treaties regarding territorial changes ⓘ |
| countrySignatory |
Portugal
ⓘ
United Kingdom ⓘ |
| defines |
British sphere of influence in Central Africa
ⓘ
Portuguese sphere of influence in Central Africa ⓘ |
| effectOn | colonial borders in south-central Africa ⓘ |
| follows |
1890 British Ultimatum to Portugal
ⓘ
linked to:
British Ultimatum of 1890
|
| hasConsequence |
limitation of Portuguese expansion in Central Africa
ⓘ
recognition of British predominance in areas north of the Zambezi ⓘ |
| historicalPeriod | Scramble for Africa ⓘ |
| language |
English
ⓘ
Portuguese ⓘ |
| mainSubject | colonial spheres of influence in Africa ⓘ |
| partOf |
Anglo-Portuguese relations
ⓘ
linked to:
Anglo-Portuguese Alliance
|
| purpose | to settle colonial boundary disputes between Britain and Portugal in Africa ⓘ |
| regulates | frontiers between British and Portuguese possessions in south-central Africa ⓘ |
| relatedTo |
British Empire
ⓘ
Portuguese Empire ⓘ |
| signedBy |
British government
ⓘ
linked to:
UK government
Portuguese government ⓘ
linked to:
Government of Portugal
|
| signedIn |
London
ⓘ
linked to:
London, England
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Treaty of London (1890) Description of subject: The Treaty of London (1890) was an agreement between Britain and Portugal that defined their colonial spheres of influence in Africa, particularly in regions such as present-day Malawi, Zambia, and Zimbabwe.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.