Fort Harmar
E275819
Fort Harmar was a late 18th-century U.S. Army frontier outpost built at the confluence of the Ohio and Muskingum Rivers in present-day Ohio to secure American interests in the Northwest Territory and oversee relations with Native American tribes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Harmar canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2516083 — 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: Fort Harmar Context triple: [Josiah Harmar, commanded, Fort Harmar]
-
A.
Fort Steuben
Fort Steuben was an 18th-century U.S. military outpost and surveying base on the Ohio River that later gave rise to the city of Steubenville, Ohio.
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B.
Fort Fincastle
Fort Fincastle is an 18th-century limestone fortress in Nassau, Bahamas, built to protect the harbor and now a popular historic landmark and tourist attraction.
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C.
Fort Regent
Fort Regent is a historic 19th-century hilltop fort in Saint Helier, Jersey, now used primarily as a leisure and entertainment complex.
-
D.
Fort Loudoun
Fort Loudoun was an 18th-century British colonial fort in what is now Tennessee, built during the French and Indian War to secure alliances with Native American tribes and protect the frontier.
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E.
Fort Conde
Fort Conde is a reconstructed 18th-century French colonial fort and museum in Mobile, Alabama, that interprets the region’s early military and colonial history.
- 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: Fort Harmar Target entity description: Fort Harmar was a late 18th-century U.S. Army frontier outpost built at the confluence of the Ohio and Muskingum Rivers in present-day Ohio to secure American interests in the Northwest Territory and oversee relations with Native American tribes.
-
A.
Fort Steuben
Fort Steuben was an 18th-century U.S. military outpost and surveying base on the Ohio River that later gave rise to the city of Steubenville, Ohio.
-
B.
Fort Fincastle
Fort Fincastle is an 18th-century limestone fortress in Nassau, Bahamas, built to protect the harbor and now a popular historic landmark and tourist attraction.
-
C.
Fort Regent
Fort Regent is a historic 19th-century hilltop fort in Saint Helier, Jersey, now used primarily as a leisure and entertainment complex.
-
D.
Fort Loudoun
Fort Loudoun was an 18th-century British colonial fort in what is now Tennessee, built during the French and Indian War to secure alliances with Native American tribes and protect the frontier.
-
E.
Fort Conde
Fort Conde is a reconstructed 18th-century French colonial fort and museum in Mobile, Alabama, that interprets the region’s early military and colonial history.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army fort
ⓘ
frontier military outpost ⓘ |
| builtBy | United States Army ⓘ |
| constructedFor |
controlling traffic on the Ohio River
ⓘ
overseeing relations with Native American tribes ⓘ protecting American settlers ⓘ securing American interests in the Northwest Territory ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function |
frontier defense
ⓘ
monitoring Native American relations ⓘ securing river transportation routes ⓘ |
| garrisonedBy | United States Army regulars ⓘ |
| hasHeritageDesignation | historic site ⓘ |
| locatedAtConfluenceOf |
Muskingum River
ⓘ
Ohio River ⓘ |
| locatedIn | Northwest Territory ⓘ |
| locatedInCity | Marietta, Ohio ⓘ |
| locatedInPresentDay | Ohio ⓘ |
| locatedOnBankOf |
Muskingum River
ⓘ
Ohio River ⓘ |
| namedAfter | Josiah Harmar ⓘ |
| near | Marietta settlement ⓘ |
| partOf | United States frontier fort system ⓘ |
| region | Ohio Country ⓘ |
| significantEvent | Treaty of Fort Harmar ⓘ |
| timePeriod | late 18th century ⓘ |
| usedDuring | Northwest Indian War ⓘ |
| usedFor |
diplomatic negotiations with Native Americans
ⓘ
military garrison ⓘ treaty council site ⓘ |
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: Fort Harmar Description of subject: Fort Harmar was a late 18th-century U.S. Army frontier outpost built at the confluence of the Ohio and Muskingum Rivers in present-day Ohio to secure American interests in the Northwest Territory and oversee relations with Native American tribes.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.