Battle of Rio San Gabriel
E284971
The Battle of Rio San Gabriel was an 1847 engagement of the Mexican–American War in which U.S. forces secured a key victory near Los Angeles, helping to establish control over Southern California.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Rio San Gabriel canonical | 7 |
| Battle of the San Gabriel River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2551371 — 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: Battle of Rio San Gabriel Context triple: [California Campaign, hasPart, Battle of Rio San Gabriel]
-
A.
Battle of San Carlos
The Battle of San Carlos was an early 1982 Falklands War engagement in which British forces established and defended a crucial beachhead against Argentine air attacks in San Carlos Water.
-
B.
Battle of Arroyo del Infierno
The Battle of Arroyo del Infierno was a key armed clash during the Cuban Revolution in which Fulgencio Batista’s government forces confronted insurgent rebels.
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C.
Battle of San Lorenzo
The Battle of San Lorenzo was an 1813 engagement in the Argentine War of Independence where José de San Martín led his newly formed cavalry regiment to a decisive victory over Spanish royalist forces.
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D.
Battle of Pantano de Vargas
The Battle of Pantano de Vargas was a decisive 1819 engagement in present-day Colombia in which patriot forces under Simón Bolívar and General José María Córdova secured a crucial victory that paved the way for independence from Spanish rule.
-
E.
Battle of Camino Real
The Battle of Camino Real was a significant military engagement during Ecuador’s struggle to break free from Spanish colonial rule in the early 19th century.
- 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: Battle of Rio San Gabriel Target entity description: The Battle of Rio San Gabriel was an 1847 engagement of the Mexican–American War in which U.S. forces secured a key victory near Los Angeles, helping to establish control over Southern California.
-
A.
Battle of San Carlos
The Battle of San Carlos was an early 1982 Falklands War engagement in which British forces established and defended a crucial beachhead against Argentine air attacks in San Carlos Water.
-
B.
Battle of Arroyo del Infierno
The Battle of Arroyo del Infierno was a key armed clash during the Cuban Revolution in which Fulgencio Batista’s government forces confronted insurgent rebels.
-
C.
Battle of San Lorenzo
The Battle of San Lorenzo was an 1813 engagement in the Argentine War of Independence where José de San Martín led his newly formed cavalry regiment to a decisive victory over Spanish royalist forces.
-
D.
Battle of Pantano de Vargas
The Battle of Pantano de Vargas was a decisive 1819 engagement in present-day Colombia in which patriot forces under Simón Bolívar and General José María Córdova secured a crucial victory that paved the way for independence from Spanish rule.
-
E.
Battle of Camino Real
The Battle of Camino Real was a significant military engagement during Ecuador’s struggle to break free from Spanish colonial rule in the early 19th century.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
engagement of the Mexican–American War ⓘ |
| alsoKnownAs |
Battle of Rio San Gabriel
ⓘ
surface form:
Battle of the San Gabriel River
|
| belligerent |
Mexico
ⓘ
United States of America ⓘ
surface form:
United States
|
| campaignObjective | recapture Los Angeles ⓘ |
| casualtiesSide |
Mexican and Californio forces suffered higher casualties than U.S. forces
ⓘ
United States forces suffered relatively light casualties ⓘ |
| category |
Battles involving Mexico
ⓘ
Battles involving the United States ⓘ Battles of the Mexican–American War ⓘ History of Los Angeles County, California ⓘ |
| combatant |
Californio militia
ⓘ
surface form:
Californio forces
United States Army ⓘ United States Navy ⓘ |
| commander |
José María Flores
ⓘ
Robert F. Stockton ⓘ Stephen W. Kearny ⓘ |
| commemoratedBy | historical markers in Los Angeles County ⓘ |
| conflict | Mexican–American War ⓘ |
| countryAtTime | Mexico ⓘ |
| date | January 8, 1847 ⓘ |
| followedBy | Battle of La Mesa ⓘ |
| geographicalFeature | took place on the floodplain of the San Gabriel River ⓘ |
| historicalRegion | Mexican Cession area ⓘ |
| impact | contributed to the collapse of organized Mexican resistance in California ⓘ |
| location |
Los Angeles County
ⓘ
surface form:
Los Angeles County, California
San Gabriel River ⓘ
surface form:
Rio San Gabriel
near Los Angeles, California ⓘ |
| militaryBranchInvolved |
United States Cavalry
ⓘ
surface form:
U.S. Army dragoons
United States Marine Corps ⓘ
surface form:
U.S. Marines
U.S. Navy sailors ⓘ |
| partOf |
California Campaign
ⓘ
surface form:
California campaign
conquest of California ⓘ |
| precededBy |
Battle of Los Angeles (1846)
ⓘ
surface form:
Battle of Dominguez Rancho
Battle of San Pasqual ⓘ |
| relatedEvent | Treaty of Guadalupe Hidalgo ⓘ |
| result | United States victory ⓘ |
| riverCrossed | San Gabriel River ⓘ |
| strategicSignificance | helped secure U.S. control over Southern California ⓘ |
| subsequentControl | Los Angeles soon reoccupied by U.S. forces ⓘ |
| tacticalFeature | U.S. forces crossed the river under fire ⓘ |
| tacticalOutcome | Mexican defensive line was forced to withdraw ⓘ |
| territorialContext |
Alta California (Spanish colony)
ⓘ
surface form:
Alta California
|
| theater | Southern California ⓘ |
| year | 1847 ⓘ |
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: Battle of Rio San Gabriel Description of subject: The Battle of Rio San Gabriel was an 1847 engagement of the Mexican–American War in which U.S. forces secured a key victory near Los Angeles, helping to establish control over Southern California.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of the San Gabriel River