USS Maine (ACR-1)
E152931
USS Maine (ACR-1) was a U.S. Navy armored cruiser whose mysterious explosion and sinking in Havana Harbor in 1898 helped trigger the Spanish–American War.
All labels observed (3)
| Label | Occurrences |
|---|---|
| USS Maine (ACR-1) canonical | 8 |
| USS Maine | 4 |
| USS Maine (subject of investigation) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1202877 — 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: USS Maine (ACR-1) Context triple: [USS Maine Memorial, commemorates, USS Maine (ACR-1)]
-
A.
USS Utah
USS Utah was a Florida-class battleship of the United States Navy that later served as a target ship and was sunk during the attack on Pearl Harbor in 1941.
-
B.
USS Providence
USS Providence was a prominent warship of the Continental Navy that served during the American Revolutionary War, participating in several key naval operations against British forces.
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C.
USS Dewey
USS Dewey is a United States Navy warship named in honor of Admiral George Dewey, famed for his victory at the Battle of Manila Bay during the Spanish–American War.
-
D.
USS Portsmouth
USS Portsmouth was a 19th-century United States Navy sloop-of-war notable for its service during the Mexican–American War and in the Pacific.
-
E.
USS Alfred
USS Alfred was a prominent warship of the Continental Navy during the American Revolutionary War, known for serving as one of its earliest flagships.
- 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: USS Maine (ACR-1) Target entity description: USS Maine (ACR-1) was a U.S. Navy armored cruiser whose mysterious explosion and sinking in Havana Harbor in 1898 helped trigger the Spanish–American War.
-
A.
USS Utah
USS Utah was a Florida-class battleship of the United States Navy that later served as a target ship and was sunk during the attack on Pearl Harbor in 1941.
-
B.
USS Providence
USS Providence was a prominent warship of the Continental Navy that served during the American Revolutionary War, participating in several key naval operations against British forces.
-
C.
USS Dewey
USS Dewey is a United States Navy warship named in honor of Admiral George Dewey, famed for his victory at the Battle of Manila Bay during the Spanish–American War.
-
D.
USS Portsmouth
USS Portsmouth was a 19th-century United States Navy sloop-of-war notable for its service during the Mexican–American War and in the Pacific.
-
E.
USS Alfred
USS Alfred was a prominent warship of the Continental Navy during the American Revolutionary War, known for serving as one of its earliest flagships.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy ship
ⓘ
armored cruiser ⓘ warship ⓘ |
| armament |
4 × 10-inch guns in two twin turrets
ⓘ
6 × 6-inch guns ⓘ smaller rapid-fire guns ⓘ torpedo tubes ⓘ |
| arrivalInHavanaDate | 1898-01-25 ⓘ |
| beam | about 57 feet ⓘ |
| builder | Brooklyn Navy Yard ⓘ |
| captainAtTimeOfSinking |
Charles D. Sigsbee
ⓘ
linked to:
Charles Dwight Sigsbee
|
| causeOfSinking | explosion in forward magazines ⓘ |
| commissionedDate | 1895-09-17 ⓘ |
| conflict | Spanish–American War ⓘ |
| country | United States of America ⓘ |
| crewComplement |
approximately 350 officers and men
ⓘ
over 260 killed in explosion ⓘ |
| dateOfSinking | 1898-02-15 ⓘ |
| decommissionedDate | 1898-02-15 ⓘ |
| displacement | approximately 6,682 long tons ⓘ |
| eventSignificance | catalyst of the Spanish–American War ⓘ |
| fate | sunk by explosion in Havana Harbor ⓘ |
| flagshipOf |
North Atlantic Squadron (temporarily)
ⓘ
linked to:
North Atlantic Squadron
|
| historicalDebate | cause of explosion remains disputed ⓘ |
| hullNumber | ACR-1 ⓘ |
| laidDownAt | Brooklyn Navy Yard ⓘ |
| laidDownDate | 1888-10-17 ⓘ |
| laterInvestigation | 1911–1912 Board of Inspection and Survey investigation ⓘ |
| launchDate | 1889-11-18 ⓘ |
| length | about 324 feet ⓘ |
| memorializedAt |
Arlington National Cemetery USS Maine Mast Memorial
ⓘ
linked to:
USS Maine Memorial
USS Maine National Monument, New York City ⓘ
linked to:
USS Maine Memorial
|
| missionAtTimeOfSinking | show the flag and protect U.S. interests in Cuba ⓘ |
| name |
USS Maine
ⓘ
linked to:
USS Maine (ACR-1)
|
| namedAfter |
State of Maine
ⓘ
linked to:
Maine
|
| notableInquiry | 1898 U.S. Naval Court of Inquiry ⓘ |
| operator | United States Navy ⓘ |
| placeOfSinking |
Havana Harbor
ⓘ
linked to:
Havana Bay
Havana, Cuba ⓘ |
| precededBy | none (first U.S. armored cruiser) ⓘ |
| propulsion |
coal-fired boilers
ⓘ
vertical triple-expansion steam engines ⓘ |
| removedFromNavyListDate | 1910-03-16 ⓘ |
| roleInConflict | its destruction helped precipitate U.S. declaration of war on Spain ⓘ |
| shipClass | Maine-class armored cruiser ⓘ |
| sponsor | Alice Tracy Wilmerding ⓘ |
| topSpeed | about 17 knots ⓘ |
| type | second-class battleship ⓘ |
| usedAsSlogan | Remember the Maine, to Hell with Spain! ⓘ |
| wreckDisposition | hull towed to sea and scuttled ⓘ |
| wreckRaised | 1911–1912 ⓘ |
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: USS Maine (ACR-1) Description of subject: USS Maine (ACR-1) was a U.S. Navy armored cruiser whose mysterious explosion and sinking in Havana Harbor in 1898 helped trigger the Spanish–American War.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: USS Maine (ACR-1)
linked to: USS Maine (ACR-1)
linked to: USS Maine (ACR-1)
linked to: USS Maine (ACR-1)
linked to: USS Maine (ACR-1)