Battle of Seven Pines
E376210
The Battle of Seven Pines was a significant 1862 American Civil War clash near Richmond, Virginia, that halted the Union advance during the Peninsula Campaign and led to Robert E. Lee assuming command of the Confederate Army of Northern Virginia.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Battle of Seven Pines canonical | 8 |
| Seven Pines | 1 |
| “The Battle of Seven Pines” | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2963657 — 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 Seven Pines Context triple: [Peninsula Campaign, majorBattle, Battle of Seven Pines]
-
A.
Battle of Gaines’s Mill
The Battle of Gaines’s Mill was a major American Civil War engagement in June 1862 during the Peninsula Campaign, marking Confederate General Robert E. Lee’s first major victory over Union forces near Richmond, Virginia.
-
B.
Battle of Mechanicsville
The Battle of Mechanicsville was an 1862 American Civil War engagement near Richmond, Virginia, marking the opening clash of Robert E. Lee’s Seven Days Campaign against Union forces during the Peninsula Campaign.
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C.
Battle of Cedar Mountain
The Battle of Cedar Mountain was an American Civil War engagement in August 1862 in Virginia, where Confederate forces under Stonewall Jackson clashed with Union troops as part of the Northern Virginia Campaign.
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D.
Battle of Malvern Hill
The Battle of Malvern Hill was a major 1862 American Civil War engagement in Virginia, where Union forces repelled repeated Confederate assaults, effectively ending the Peninsula Campaign.
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E.
Battle of the Wilderness
The Battle of the Wilderness was a brutal, inconclusive 1864 Civil War clash in dense Virginia woods between Ulysses S. Grant’s Union forces and Robert E. Lee’s Confederate army, marking the start of Grant’s Overland Campaign.
- 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 Seven Pines Target entity description: The Battle of Seven Pines was a significant 1862 American Civil War clash near Richmond, Virginia, that halted the Union advance during the Peninsula Campaign and led to Robert E. Lee assuming command of the Confederate Army of Northern Virginia.
-
A.
Battle of Gaines’s Mill
The Battle of Gaines’s Mill was a major American Civil War engagement in June 1862 during the Peninsula Campaign, marking Confederate General Robert E. Lee’s first major victory over Union forces near Richmond, Virginia.
-
B.
Battle of Mechanicsville
The Battle of Mechanicsville was an 1862 American Civil War engagement near Richmond, Virginia, marking the opening clash of Robert E. Lee’s Seven Days Campaign against Union forces during the Peninsula Campaign.
-
C.
Battle of Cedar Mountain
The Battle of Cedar Mountain was an American Civil War engagement in August 1862 in Virginia, where Confederate forces under Stonewall Jackson clashed with Union troops as part of the Northern Virginia Campaign.
-
D.
Battle of Malvern Hill
The Battle of Malvern Hill was a major 1862 American Civil War engagement in Virginia, where Union forces repelled repeated Confederate assaults, effectively ending the Peninsula Campaign.
-
E.
Battle of the Wilderness
The Battle of the Wilderness was a brutal, inconclusive 1864 Civil War clash in dense Virginia woods between Ulysses S. Grant’s Union forces and Robert E. Lee’s Confederate army, marking the start of Grant’s Overland Campaign.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battle
ⓘ
battle ⓘ |
| alsoKnownAs | Battle of Fair Oaks ⓘ |
| belligerent |
Confederate States of America
ⓘ
surface form:
Confederate States (Confederacy)
United States of America ⓘ
surface form:
United States (Union)
|
| campaignObjective | Union attempt to capture Richmond via the Virginia Peninsula ⓘ |
| cause | Confederate attempt to strike isolated Union corps south of the Chickahominy River ⓘ |
| commandChange | Robert E. Lee appointed to command the Army of Northern Virginia after the battle ⓘ |
| commander |
George McClellan
ⓘ
surface form:
George B. McClellan
Gustavus W. Smith NERFINISHED ⓘ Joseph E. Johnston ⓘ Robert E. Lee ⓘ |
| ConfederateArmy | Army of Northern Virginia ⓘ |
| ConfederateCasualtiesAndLosses | over 6,000 killed, wounded, or missing ⓘ |
| ConfederateCommander |
Gustavus W. Smith
NERFINISHED
ⓘ
Joseph E. Johnston ⓘ Robert E. Lee ⓘ |
| ConfederateStrength | approximately 39,000 soldiers ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | May 31, 1862 ⓘ |
| endDate | June 1, 1862 ⓘ |
| followedBy | Seven Days Battles ⓘ |
| front | Eastern Theater of the American Civil War ⓘ |
| location |
Henrico County, Virginia
NERFINISHED
ⓘ
near Richmond, Virginia ⓘ |
| nearbyLandmark |
Fair Oaks Station
ⓘ
Seven Pines crossroads ⓘ |
| notableEvent | wounding of Confederate General Joseph E. Johnston ⓘ |
| partOf | Peninsula Campaign ⓘ |
| precededBy |
Battle of Yorktown (1862)
ⓘ
surface form:
Siege of Yorktown (1862)
|
| result |
inconclusive
ⓘ
tactically indecisive ⓘ |
| river | Chickahominy River ⓘ |
| significance |
first major battle in which the Army of the Potomac approached the outskirts of Richmond
ⓘ
marked the beginning of Robert E. Lee’s field command of the Army of Northern Virginia ⓘ prompted Jefferson Davis to replace Joseph E. Johnston with Robert E. Lee ⓘ |
| state | Virginia ⓘ |
| strategicEffect |
halted Union advance on Richmond
ⓘ
led to Robert E. Lee assuming command of the Army of Northern Virginia ⓘ |
| terrain | swampy and heavily wooded ground ⓘ |
| theater | Virginia Peninsula ⓘ |
| UnionArmy | Army of the Potomac ⓘ |
| UnionCasualtiesAndLosses | over 5,000 killed, wounded, or missing ⓘ |
| UnionCommander |
George McClellan
ⓘ
surface form:
George B. McClellan
|
| UnionStrength | approximately 34,000 soldiers ⓘ |
| 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 Seven Pines Description of subject: The Battle of Seven Pines was a significant 1862 American Civil War clash near Richmond, Virginia, that halted the Union advance during the Peninsula Campaign and led to Robert E. Lee assuming command of the Confederate Army of Northern Virginia.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Seven Pines
subject surface form:
Isaac E. Avery
this entity surface form:
“The Battle of Seven Pines”