Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top
E497193
Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top was a decisive Civil War action during the Battle of Gettysburg in which Union troops, low on ammunition, launched a daring downhill assault that helped secure the Union left flank and became one of the conflict’s most celebrated feats of battlefield leadership.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5150071 — 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: Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top Context triple: [3rd Brigade, 1st Division, V Corps, associatedWith, Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top]
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A.
Pickett’s Charge
Pickett’s Charge was a massive, ill-fated Confederate infantry assault on the third day of the Battle of Gettysburg that marked a turning point against the Confederacy in the American Civil War.
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B.
Big Round Top
Big Round Top is a heavily wooded hill on the Gettysburg battlefield that formed the southern anchor of the Union Army’s defensive positions during the American Civil War.
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C.
Battle of San Juan Hill
The Battle of San Juan Hill was a pivotal 1898 land engagement in Cuba during the Spanish–American War, famous for the U.S. assault led in part by Theodore Roosevelt and his Rough Riders that helped secure American victory over Spain.
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D.
Death of Thomas J. "Stonewall" Jackson
The Death of Thomas J. "Stonewall" Jackson refers to the passing of the famed Confederate general in May 1863 from complications after being wounded at the Battle of Chancellorsville.
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E.
Joshua Lawrence Chamberlain
Joshua Lawrence Chamberlain was a Union Army officer, college professor, and Medal of Honor recipient best known for his heroic defense of the Union flank at Gettysburg and later service as governor of Maine.
- 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: Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top Target entity description: Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top was a decisive Civil War action during the Battle of Gettysburg in which Union troops, low on ammunition, launched a daring downhill assault that helped secure the Union left flank and became one of the conflict’s most celebrated feats of battlefield leadership.
-
A.
Pickett’s Charge
Pickett’s Charge was a massive, ill-fated Confederate infantry assault on the third day of the Battle of Gettysburg that marked a turning point against the Confederacy in the American Civil War.
-
B.
Big Round Top
Big Round Top is a heavily wooded hill on the Gettysburg battlefield that formed the southern anchor of the Union Army’s defensive positions during the American Civil War.
-
C.
Battle of San Juan Hill
The Battle of San Juan Hill was a pivotal 1898 land engagement in Cuba during the Spanish–American War, famous for the U.S. assault led in part by Theodore Roosevelt and his Rough Riders that helped secure American victory over Spain.
-
D.
Death of Thomas J. "Stonewall" Jackson
The Death of Thomas J. "Stonewall" Jackson refers to the passing of the famed Confederate general in May 1863 from complications after being wounded at the Battle of Chancellorsville.
-
E.
Joshua Lawrence Chamberlain
Joshua Lawrence Chamberlain was a Union Army officer, college professor, and Medal of Honor recipient best known for his heroic defense of the Union flank at Gettysburg and later service as governor of Maine.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Civil War battle maneuver
ⓘ
military action ⓘ |
| army | Army of the Potomac NERFINISHED ⓘ |
| associatedPerson | Joshua Lawrence Chamberlain NERFINISHED ⓘ |
| associatedPlace | Little Round Top monument to the 20th Maine NERFINISHED ⓘ |
| brigade | 3rd Brigade, 1st Division, V Corps NERFINISHED ⓘ |
| commandDecision | ordered when retreat or collapse seemed imminent ⓘ |
| commander | Joshua Lawrence Chamberlain NERFINISHED ⓘ |
| commanderOfDefendingBrigade | Strong Vincent NERFINISHED ⓘ |
| commemoration |
depicted in historical writings about Gettysburg
ⓘ
featured in the film "Gettysburg" ⓘ featured in the novel "The Killer Angels" ⓘ |
| conflict | American Civil War ⓘ |
| corps | V Corps NERFINISHED ⓘ |
| date | July 2, 1863 ⓘ |
| directionOfAttack | downhill from Little Round Top ⓘ |
| division | 1st Division, V Corps NERFINISHED ⓘ |
| flankPosition | extreme left of the Union Army of the Potomac line ⓘ |
| historicalReputation | iconic moment in Union defense at Gettysburg ⓘ |
| immediateEffect |
captured many Confederate soldiers
ⓘ
pushed Confederate attackers down the slope ⓘ |
| laterRecognition |
celebrated as one of the war’s most famous small-unit actions
ⓘ
widely cited as an example of battlefield leadership ⓘ |
| legacy | contributed to Chamberlain’s later fame and honors ⓘ |
| location |
Gettysburg, Pennsylvania
NERFINISHED
ⓘ
Little Round Top NERFINISHED ⓘ |
| maneuverType | downhill bayonet charge ⓘ |
| militaryDoctrineInterest | studied as an example of offensive action from a defensive position ⓘ |
| notableFor |
decisive leadership under fire
ⓘ
use of bayonet charge when ammunition was nearly exhausted ⓘ |
| objective | hold the extreme left of the Union line ⓘ |
| opposingSide | Confederate States Army NERFINISHED ⓘ |
| opposingUnits | 15th Alabama Infantry Regiment NERFINISHED ⓘ |
| orderGivenBy | Joshua Lawrence Chamberlain NERFINISHED ⓘ |
| partOf | Battle of Gettysburg NERFINISHED ⓘ |
| precededBy | repeated Confederate assaults on 20th Maine’s position ⓘ |
| result |
Confederate assault repulsed
ⓘ
Union line on Little Round Top held ⓘ |
| riskLevel | high-risk assault due to low ammunition and exposed advance ⓘ |
| side | Union Army NERFINISHED ⓘ |
| strategicSignificance |
contributed to overall Union victory at Gettysburg
ⓘ
helped secure the Union left flank at Gettysburg ⓘ |
| tacticalInnovation | refusal of the line to form a fishhook-shaped defense ⓘ |
| tacticalSituation |
Union left flank threatened
ⓘ
Union troops low on ammunition ⓘ |
| unitInvolved | 20th Maine Volunteer Infantry Regiment NERFINISHED ⓘ |
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: Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top Description of subject: Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top was a decisive Civil War action during the Battle of Gettysburg in which Union troops, low on ammunition, launched a daring downhill assault that helped secure the Union left flank and became one of the conflict’s most celebrated feats of battlefield leadership.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
3rd Brigade, 1st Division, V Corps
→
associatedWith
→
Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top
ⓘ