Battle of Williamsport

E511791

American Civil War battle battle

The Battle of Williamsport was an American Civil War engagement in July 1863 during Robert E. Lee’s retreat to Virginia following the Battle of Gettysburg.

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All labels observed (1)

Label	Occurrences
Battle of Williamsport canonical	1

Statements (44)

Predicate	Object
instanceOf	American Civil War battle ⓘ battle ⓘ
alsoKnownAs	Battle of Hagerstown NERFINISHED ⓘ Fighting at Williamsport NERFINISHED ⓘ
belligerent	Confederate States of America ⓘ Union ⓘ
campaignPhase	Retreat phase of the Gettysburg Campaign ⓘ
cause	Retreat of Confederate forces after defeat at Gettysburg ⓘ
combatType	Cavalry engagements ⓘ Infantry skirmishes ⓘ Rear-guard action ⓘ
commander	A.P. Hill NERFINISHED ⓘ George G. Meade NERFINISHED ⓘ Henry Heth NERFINISHED ⓘ J.E.B. Stuart NERFINISHED ⓘ John Buford NERFINISHED ⓘ Richard H. Anderson NERFINISHED ⓘ Robert E. Lee NERFINISHED ⓘ William H. French NERFINISHED ⓘ
conflict	American Civil War ⓘ
country	United States of America ⓘ surface form: United States
date	July 6–16, 1863 ⓘ
followedBy	Crossing of the Potomac River by the Army of Northern Virginia NERFINISHED ⓘ
geographicalFeature	Potomac River NERFINISHED ⓘ
historicalPeriod	American Civil War era NERFINISHED ⓘ
involvedMilitaryUnit	Army of Northern Virginia NERFINISHED ⓘ Army of the Potomac NERFINISHED ⓘ
location	Washington County, Maryland NERFINISHED ⓘ Williamsport, Maryland NERFINISHED ⓘ
notableFor	Part of Lee’s withdrawal after Gettysburg ⓘ Union failure to destroy Lee’s army before it crossed the Potomac ⓘ
partOf	Gettysburg Campaign NERFINISHED ⓘ Robert E. Lee’s retreat from Gettysburg ⓘ
precededBy	Battle of Gettysburg NERFINISHED ⓘ
primaryObjective	Delay Union pursuit after Gettysburg ⓘ Protect Confederate retreat route to Virginia ⓘ
relatedEvent	Skirmishes at Falling Waters NERFINISHED ⓘ Skirmishes at Hagerstown NERFINISHED ⓘ
result	Inconclusive ⓘ
stateOfOutcome	No decisive tactical victor ⓘ
strategicConsequence	Enabled Confederate army to escape across the Potomac ⓘ Ended major operations of the Gettysburg Campaign ⓘ
theater	Eastern Theater of the American Civil War NERFINISHED ⓘ
year	1863 ⓘ

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 Williamsport
Description of subject: The Battle of Williamsport was an American Civil War engagement in July 1863 during Robert E. Lee’s retreat to Virginia following the Battle of Gettysburg.

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gettysburg Campaign → majorEngagement → Battle of Williamsport ⓘ