Lattimer massacre
E1580311
UNEXPLORED
The Lattimer massacre was an 1897 incident in which a sheriff’s posse killed and wounded dozens of unarmed striking immigrant coal miners in Pennsylvania, becoming a pivotal event in U.S. labor and immigrant history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lattimer massacre canonical | 1 |
| Lattimer massacre of 1897 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T23302616 — 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: Lattimer massacre Context triple: [Lattimer Mines, Pennsylvania, United States, knownFor, Lattimer massacre]
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A.
Ludlow Massacre
The Ludlow Massacre was a 1914 attack by the Colorado National Guard and company guards on striking coal miners and their families in Ludlow, Colorado, becoming one of the deadliest labor conflicts in U.S. history and a symbol of the struggle for workers’ rights.
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B.
Colfax massacre
The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
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C.
Lawrence massacre
The Lawrence massacre was an 1863 American Civil War–era raid by pro-Confederate guerrillas on the abolitionist town of Lawrence, Kansas, resulting in the killing of around 150–200 men and boys and the widespread destruction of the town.
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D.
Baker Massacre
The Baker Massacre was an 1870 U.S. Army attack on a peaceful Piegan Blackfeet camp in Montana Territory that resulted in the killing of many Native American men, women, and children.
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E.
Glencoe Massacre
The Glencoe Massacre was a 1692 killing of members of the MacDonald clan in the Scottish Highlands by government forces, notorious for its betrayal of hospitality and lasting impact on Scottish 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: Lattimer massacre Target entity description: The Lattimer massacre was an 1897 incident in which a sheriff’s posse killed and wounded dozens of unarmed striking immigrant coal miners in Pennsylvania, becoming a pivotal event in U.S. labor and immigrant history.
-
A.
Ludlow Massacre
The Ludlow Massacre was a 1914 attack by the Colorado National Guard and company guards on striking coal miners and their families in Ludlow, Colorado, becoming one of the deadliest labor conflicts in U.S. history and a symbol of the struggle for workers’ rights.
-
B.
Colfax massacre
The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
-
C.
Lawrence massacre
The Lawrence massacre was an 1863 American Civil War–era raid by pro-Confederate guerrillas on the abolitionist town of Lawrence, Kansas, resulting in the killing of around 150–200 men and boys and the widespread destruction of the town.
-
D.
Baker Massacre
The Baker Massacre was an 1870 U.S. Army attack on a peaceful Piegan Blackfeet camp in Montana Territory that resulted in the killing of many Native American men, women, and children.
-
E.
Glencoe Massacre
The Glencoe Massacre was a 1692 killing of members of the MacDonald clan in the Scottish Highlands by government forces, notorious for its betrayal of hospitality and lasting impact on Scottish history.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lattimer massacre