Palmyra Massacre
E659850
The Palmyra Massacre was an American Civil War atrocity in 1862 in which Union forces executed ten Confederate prisoners in retaliation for the disappearance of a Union supporter in Palmyra, Missouri.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Palmyra Massacre canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7383154 — 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: Palmyra Massacre Context triple: [Palmyra, Missouri, knownFor, Palmyra Massacre]
-
A.
Nellie massacre
The Nellie massacre was a 1983 mass killing in Assam, India, in which thousands of mostly Bengali-speaking Muslims were brutally murdered amid ethnic and political tensions during the Assam Movement.
-
B.
Pavonia Massacre
The Pavonia Massacre was a 1643 attack by Dutch colonists on Lenape Native Americans in present-day Jersey City, New Jersey, that helped ignite the broader conflict known as Kieft's War.
-
C.
Weenen massacre
The Weenen massacre was an 1838 killing of Voortrekker settlers by Zulu forces in present-day South Africa, which became a pivotal flashpoint in the conflict between the Voortrekkers and the Zulu Kingdom.
-
D.
Greysteel massacre
The Greysteel massacre was a 1993 mass shooting in a bar in County Londonderry, Northern Ireland, carried out by loyalist paramilitaries during the Troubles.
-
E.
Hungerford massacre
The Hungerford massacre was a 1987 mass shooting in Hungerford, England, in which gunman Michael Ryan killed 16 people and led to significant changes in UK firearms legislation.
- 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: Palmyra Massacre Target entity description: The Palmyra Massacre was an American Civil War atrocity in 1862 in which Union forces executed ten Confederate prisoners in retaliation for the disappearance of a Union supporter in Palmyra, Missouri.
-
A.
Nellie massacre
The Nellie massacre was a 1983 mass killing in Assam, India, in which thousands of mostly Bengali-speaking Muslims were brutally murdered amid ethnic and political tensions during the Assam Movement.
-
B.
Pavonia Massacre
The Pavonia Massacre was a 1643 attack by Dutch colonists on Lenape Native Americans in present-day Jersey City, New Jersey, that helped ignite the broader conflict known as Kieft's War.
-
C.
Weenen massacre
The Weenen massacre was an 1838 killing of Voortrekker settlers by Zulu forces in present-day South Africa, which became a pivotal flashpoint in the conflict between the Voortrekkers and the Zulu Kingdom.
-
D.
Greysteel massacre
The Greysteel massacre was a 1993 mass shooting in a bar in County Londonderry, Northern Ireland, carried out by loyalist paramilitaries during the Troubles.
-
E.
Hungerford massacre
The Hungerford massacre was a 1987 mass shooting in Hungerford, England, in which gunman Michael Ryan killed 16 people and led to significant changes in UK firearms legislation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
atrocity
ⓘ
event ⓘ war crime ⓘ |
| alsoKnownAs | Palmyra Execution NERFINISHED ⓘ |
| cause | retaliation for the disappearance of Andrew Allsman ⓘ |
| commanderSide | John McNeil NERFINISHED ⓘ |
| commemoratedOn | annual local observances in Palmyra ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | 1862-10-18 ⓘ |
| governingAuthority | Union military government in Missouri ⓘ |
| hasMemorial | Palmyra Massacre monument in Palmyra, Missouri NERFINISHED ⓘ |
| historicalReputation | controversial act by Union authorities ⓘ |
| legalStatus | extrajudicial execution ⓘ |
| location |
Marion County, Missouri
NERFINISHED
ⓘ
Missouri NERFINISHED ⓘ Palmyra, Missouri NERFINISHED ⓘ |
| method | execution by firing squad ⓘ |
| motive |
deterrence of Confederate guerrilla activity
ⓘ
punitive retaliation ⓘ |
| notableVictim |
Captain Thomas A. Sidner
NERFINISHED
ⓘ
Charles W. Moore NERFINISHED ⓘ Eleazer Lake NERFINISHED ⓘ H. T. McCoy NERFINISHED ⓘ Hiram T. Smith NERFINISHED ⓘ John M. Wade NERFINISHED ⓘ John Wade NERFINISHED ⓘ John Y. McPheeters NERFINISHED ⓘ Morgan Bixler NERFINISHED ⓘ Thomas Humston NERFINISHED ⓘ |
| numberOfVictims | 10 ⓘ |
| orderedBy | Brigadier General John McNeil NERFINISHED ⓘ |
| partOf | violence in the Trans-Mississippi Theater of the American Civil War NERFINISHED ⓘ |
| perpetratorSide | Union Army NERFINISHED ⓘ |
| precededBy | capture of Andrew Allsman by Confederate guerrillas ⓘ |
| region | Trans-Mississippi Theater NERFINISHED ⓘ |
| relatedTo |
Union occupation of Missouri
ⓘ
civilian reprisals in the American Civil War ⓘ guerrilla warfare in Missouri ⓘ |
| sideExecuting | Union forces ⓘ |
| sideVictim | Confederate prisoners ⓘ |
| triggerEvent | disappearance of Union supporter Andrew Allsman ⓘ |
| victimAllegiance |
Confederate States of America
NERFINISHED
ⓘ
Southern sympathizers ⓘ |
| victimCountExact | ten men ⓘ |
| victimStatus | prisoners of war ⓘ |
| victimType | civilian sympathizers and irregulars ⓘ |
| year | 1862 ⓘ |
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: Palmyra Massacre Description of subject: The Palmyra Massacre was an American Civil War atrocity in 1862 in which Union forces executed ten Confederate prisoners in retaliation for the disappearance of a Union supporter in Palmyra, Missouri.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.