Battle of Ellerson’s Mill
E832471
The Battle of Ellerson’s Mill was an 1862 American Civil War engagement in the Seven Days Battles near Richmond, Virginia, in which Union forces repelled Confederate attacks along Beaver Dam Creek.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Ellerson’s Mill canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9648347 — 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 Ellerson’s Mill Context triple: [Battle of Beaver Dam Creek, alsoKnownAs, Battle of Ellerson’s Mill]
-
A.
Battle of Armstrong's Mill
The Battle of Armstrong's Mill was an 1865 engagement in the American Civil War, fought as part of the Petersburg Campaign in Virginia, in which Union forces sought to extend their lines and cut Confederate supply routes.
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B.
Battle of Burgess Mill
The Battle of Burgess Mill was an 1864 American Civil War engagement near Petersburg, Virginia, in which Union forces attempted to cut a key Confederate supply route along the Boydton Plank Road.
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C.
Battle of Stillman’s Run
The Battle of Stillman’s Run was an 1832 skirmish in Illinois during the Black Hawk War, notable for a panicked retreat by Illinois militia forces after a clash with Sauk leader Black Hawk’s warriors.
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D.
Battle of Cook’s Mills
The Battle of Cook’s Mills was a late-1814 engagement in the War of 1812 in which British and Canadian forces successfully blocked an American advance in the Niagara Peninsula.
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E.
Battle of Lewis’s Farm
The Battle of Lewis’s Farm was a late-March 1865 engagement in the American Civil War in which Union forces pushed back Confederate lines near Petersburg, Virginia, helping set the stage for the collapse of Robert E. Lee’s army.
- 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 Ellerson’s Mill Target entity description: The Battle of Ellerson’s Mill was an 1862 American Civil War engagement in the Seven Days Battles near Richmond, Virginia, in which Union forces repelled Confederate attacks along Beaver Dam Creek.
-
A.
Battle of Armstrong's Mill
The Battle of Armstrong's Mill was an 1865 engagement in the American Civil War, fought as part of the Petersburg Campaign in Virginia, in which Union forces sought to extend their lines and cut Confederate supply routes.
-
B.
Battle of Burgess Mill
The Battle of Burgess Mill was an 1864 American Civil War engagement near Petersburg, Virginia, in which Union forces attempted to cut a key Confederate supply route along the Boydton Plank Road.
-
C.
Battle of Stillman’s Run
The Battle of Stillman’s Run was an 1832 skirmish in Illinois during the Black Hawk War, notable for a panicked retreat by Illinois militia forces after a clash with Sauk leader Black Hawk’s warriors.
-
D.
Battle of Cook’s Mills
The Battle of Cook’s Mills was a late-1814 engagement in the War of 1812 in which British and Canadian forces successfully blocked an American advance in the Niagara Peninsula.
-
E.
Battle of Lewis’s Farm
The Battle of Lewis’s Farm was a late-March 1865 engagement in the American Civil War in which Union forces pushed back Confederate lines near Petersburg, Virginia, helping set the stage for the collapse of Robert E. Lee’s army.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battle
ⓘ
battle ⓘ |
| alsoKnownAs |
Battle of Beaver Dam Creek
ⓘ
Mechanicsville ⓘ
linked to:
Mechanicsville, Virginia
|
| artilleryUse | heavy Union artillery fire from prepared positions ⓘ |
| belligerent |
Confederate States (Confederacy)
ⓘ
linked to:
Confederate States of America
United States (Union) ⓘ
linked to:
United States of America
|
| campaign | Peninsula Campaign ⓘ |
| campaignGoalContext | Union attempt to capture Richmond via the Peninsula ⓘ |
| casualtiesConfederate | approximately 1,500 ⓘ |
| casualtiesUnion | approximately 400 ⓘ |
| chronologicalOrderInSevenDays | first major land engagement of the Seven Days Battles ⓘ |
| combatant |
Army of Northern Virginia
ⓘ
Army of the Potomac ⓘ |
| commander |
A. P. Hill
ⓘ
linked to:
A.P. Hill
D. H. Hill ⓘ Fitz John Porter ⓘ Robert E. Lee ⓘ Stonewall Jackson ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| date | 1862-06-26 ⓘ |
| followedBy | Battle of Gaines’s Mill ⓘ |
| fortifications | strong Union defensive positions along Beaver Dam Creek ⓘ |
| front | Eastern Theater of the American Civil War ⓘ |
| geographicalFeature | Beaver Dam Creek ⓘ |
| near | Richmond, Virginia ⓘ |
| objective | turn the Union right flank north of the Chickahominy River ⓘ |
| overallConfederateCommander | Robert E. Lee ⓘ |
| overallUnionCommander |
George B. McClellan
ⓘ
linked to:
George McClellan
|
| partOf |
Operations before Richmond in 1862
ⓘ
Seven Days Battles ⓘ |
| place | Hanover County, Virginia ⓘ |
| precededBy |
Peninsula Campaign operations before Richmond
ⓘ
linked to:
Peninsula Campaign
|
| primaryAttacker | Confederate States Army ⓘ |
| primaryDefender |
Union Army of the Potomac
ⓘ
linked to:
Army of the Potomac
|
| reasonForAlternateName | fought near Ellerson’s Mill on Beaver Dam Creek ⓘ |
| result | Union victory ⓘ |
| river | Chickahominy River ⓘ |
| state | Virginia ⓘ |
| strategicOutcome | Union later withdrew to a new line despite tactical success ⓘ |
| tacticalOutcome | Confederate attacks repulsed ⓘ |
| terrain | creek line with mill, swampy ground, and wooded approaches ⓘ |
| 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: Battle of Ellerson’s Mill Description of subject: The Battle of Ellerson’s Mill was an 1862 American Civil War engagement in the Seven Days Battles near Richmond, Virginia, in which Union forces repelled Confederate attacks along Beaver Dam Creek.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.