1792–1793 overland expedition to the Pacific Ocean
E362648
The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1792–1793 overland expedition to the Pacific Ocean canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3497374 — 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: 1792–1793 overland expedition to the Pacific Ocean Context triple: [Alexander Mackenzie, expedition, 1792–1793 overland expedition to the Pacific Ocean]
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A.
first overland expedition to the Arctic Ocean (1819–1822)
The first overland expedition to the Arctic Ocean (1819–1822) was a British exploratory journey led by John Franklin that aimed to chart the northern coast of Canada and significantly advanced geographic knowledge of the Arctic.
-
B.
voyage of Louis Antoine de Bougainville
The voyage of Louis Antoine de Bougainville was an 18th-century French circumnavigation of the globe that contributed significantly to European geographic knowledge and Enlightenment-era encounters with Pacific societies.
-
C.
Fram expedition across the Arctic Ocean
The Fram expedition across the Arctic Ocean was Fridtjof Nansen’s pioneering late-19th-century polar voyage that used a specially designed ship to drift with the pack ice in an attempt to reach the North Pole and advance scientific understanding of the Arctic.
-
D.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
-
E.
Vancouver Expedition
The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
- 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: 1792–1793 overland expedition to the Pacific Ocean Target entity description: The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
-
A.
first overland expedition to the Arctic Ocean (1819–1822)
The first overland expedition to the Arctic Ocean (1819–1822) was a British exploratory journey led by John Franklin that aimed to chart the northern coast of Canada and significantly advanced geographic knowledge of the Arctic.
-
B.
voyage of Louis Antoine de Bougainville
The voyage of Louis Antoine de Bougainville was an 18th-century French circumnavigation of the globe that contributed significantly to European geographic knowledge and Enlightenment-era encounters with Pacific societies.
-
C.
Fram expedition across the Arctic Ocean
The Fram expedition across the Arctic Ocean was Fridtjof Nansen’s pioneering late-19th-century polar voyage that used a specially designed ship to drift with the pack ice in an attempt to reach the North Pole and advance scientific understanding of the Arctic.
-
D.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
-
E.
Vancouver Expedition
The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
exploration expedition
ⓘ
overland expedition ⓘ transcontinental journey ⓘ |
| alsoKnownAs |
Alexander Mackenzie
ⓘ
surface form:
Alexander Mackenzie’s overland expedition to the Pacific
Mackenzie’s 1792–1793 Pacific expedition ⓘ |
| commander | Alexander Mackenzie ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| countryAtTheTime |
British America
ⓘ
surface form:
British North America
|
| destination | Pacific Ocean ⓘ |
| documentedBy | Alexander Mackenzie ⓘ |
| documentedIn |
Voyages from Montreal on the River St. Laurence through the Continent of North America to the Frozen and Pacific Oceans in the years 1789 and 1793
ⓘ
surface form:
Voyages from Montreal on the River St. Laurence through the continent of North America to the Frozen and Pacific Oceans
|
| endDate | 1793 ⓘ |
| endedBefore | Lewis and Clark Expedition ⓘ |
| era | late 18th century ⓘ |
| goal |
find a transcontinental route across northern North America
ⓘ
reach the Pacific Ocean overland ⓘ |
| hasParticipant |
Alexander Mackenzie
ⓘ
French-Canadian voyageurs ⓘ
surface form:
Canadian voyageurs
Indigenous guides ⓘ Indigenous interpreters ⓘ |
| historicalPeriod |
Age of Exploration
ⓘ
surface form:
Age of Exploration in North America
|
| interactionWith |
Interior Salish peoples
ⓘ
surface form:
Indigenous peoples of the interior of northwestern North America
|
| languageOfRecord | English ⓘ |
| leader | Alexander Mackenzie ⓘ |
| legacy |
influenced later exploration of western Canada
ⓘ
recognized as a milestone in Canadian exploration history ⓘ |
| organizer | North West Company ⓘ |
| preceded | Lewis and Clark Expedition ⓘ |
| purpose | advance fur trade interests of the North West Company ⓘ |
| region | northwestern North America ⓘ |
| relatedTo |
Great Lakes fur trade
ⓘ
surface form:
North American fur trade
|
| result |
mapped an overland route to the Pacific Ocean
ⓘ
provided early European knowledge of interior routes to the Pacific ⓘ |
| routeFeature |
Fraser River basin
ⓘ
Pacific coastal region ⓘ Peace River ⓘ Rocky Mountains ⓘ |
| significance |
first overland expedition to reach the Pacific Ocean across northern North America
ⓘ
first recorded transcontinental crossing of North America north of Mexico ⓘ |
| sponsor | North West Company ⓘ |
| startDate | 1792 ⓘ |
| timeBefore | Lewis and Clark reached the Pacific Ocean ⓘ |
| transportMode |
canoe
ⓘ
overland travel on foot ⓘ |
| used | voyageur canoes ⓘ |
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: 1792–1793 overland expedition to the Pacific Ocean Description of subject: The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.