voyages of Henry the Navigator
E91410
The voyages of Henry the Navigator were a series of 15th-century Portuguese expeditions along the West African coast that pioneered European maritime exploration and helped launch the Age of Discovery.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prince Henry’s nautical school (traditional narrative) | 1 |
| voyages of Henry the Navigator canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T771415 — 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: voyages of Henry the Navigator Context triple: [Late Middle Ages, hasMajorEvent, voyages of Henry the Navigator]
-
A.
voyages of Christopher Columbus to the Americas
The voyages of Christopher Columbus to the Americas were a series of late 15th-century transatlantic expeditions that initiated sustained European exploration and colonization of the Western Hemisphere.
-
B.
Bartolomeu Dias
Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
-
C.
Henry the Navigator
Henry the Navigator was a 15th-century Portuguese prince who sponsored pioneering voyages along the West African coast, helping launch Europe’s Age of Exploration and the Portuguese maritime empire.
-
D.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
E.
Magellan–Elcano expedition
The Magellan–Elcano expedition was the early 16th-century Spanish-led voyage that achieved the first circumnavigation of the Earth, fundamentally transforming global navigation and trade.
- 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: voyages of Henry the Navigator Target entity description: The voyages of Henry the Navigator were a series of 15th-century Portuguese expeditions along the West African coast that pioneered European maritime exploration and helped launch the Age of Discovery.
-
A.
voyages of Christopher Columbus to the Americas
The voyages of Christopher Columbus to the Americas were a series of late 15th-century transatlantic expeditions that initiated sustained European exploration and colonization of the Western Hemisphere.
-
B.
Bartolomeu Dias
Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
-
C.
Henry the Navigator
Henry the Navigator was a 15th-century Portuguese prince who sponsored pioneering voyages along the West African coast, helping launch Europe’s Age of Exploration and the Portuguese maritime empire.
-
D.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
E.
Magellan–Elcano expedition
The Magellan–Elcano expedition was the early 16th-century Spanish-led voyage that achieved the first circumnavigation of the Earth, fundamentally transforming global navigation and trade.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Age of Discovery event
ⓘ
Portuguese maritime expedition ⓘ series of voyages ⓘ |
| associatedInstitution |
Fortress of Sagres
ⓘ
surface form:
School of Sagres
|
| country | Kingdom of Portugal ⓘ |
| discovered |
Azores
ⓘ
surface form:
Azores (for Portugal)
Madeira ⓘ
surface form:
Madeira Islands (for Portugal)
|
| economicImpact |
access to West African gold
ⓘ
development of sugar plantations on Atlantic islands ⓘ foundation of Portuguese trading posts in West Africa ⓘ |
| endApproximateYear | 1460s ⓘ |
| historicalSignificance |
marked beginning of sustained European exploration of Africa by sea
ⓘ
precursor to Portuguese route around the Cape of Good Hope ⓘ |
| mainRegionExplored |
Atlantic Ocean
ⓘ
West African coast ⓘ eastern Atlantic islands ⓘ |
| notableExplorer |
Alvise Cadamosto
ⓘ
Antão Gonçalves ⓘ Dinis Dias ⓘ Diogo de Azambuja ⓘ
surface form:
Diogo Gomes
Gil Eanes ⓘ Gonçalo Velho Cabral ⓘ Nuno Tristão ⓘ |
| organizedFrom |
Lagos, Portugal
ⓘ
Fortress of Sagres ⓘ
surface form:
Sagres
|
| patron | Henry the Navigator ⓘ |
| purpose |
bypass of trans-Saharan trade routes
ⓘ
expansion of Portuguese influence ⓘ maritime exploration ⓘ search for new trade routes ⓘ spread of Christianity ⓘ |
| reached |
Cape Bojador
ⓘ
Gambia River ⓘ
surface form:
Gambia River region
Senegal River Delta ⓘ
surface form:
Senegal River region
|
| result |
development of Atlantic slave trade routes
ⓘ
helped launch the Age of Discovery ⓘ improved European nautical knowledge ⓘ initiated Portuguese expansion overseas ⓘ mapping of West African coastline ⓘ pioneered European oceanic exploration along West Africa ⓘ |
| sponsor | Portuguese Crown ⓘ |
| startApproximateYear | 1410s ⓘ |
| startCentury | 15th century ⓘ |
| timePeriod | 15th century ⓘ |
| usedTechnology |
astrolabe
ⓘ
caravel ⓘ magnetic compass ⓘ portolan charts ⓘ |
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: voyages of Henry the Navigator Description of subject: The voyages of Henry the Navigator were a series of 15th-century Portuguese expeditions along the West African coast that pioneered European maritime exploration and helped launch the Age of Discovery.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Prince Henry’s nautical school (traditional narrative)