Battle of Thoroughfare Gap Facts

August 28, 1862

Key facts about the Battle of Thoroughfare Gap, including dates, casualties, participants, who won, and more interesting facts you might not know. This fact sheet provides a quick overview of the battle and is for kids doing research and students preparing for the AP U.S. History (APUSH) exam.

Portrait of James Longstreet.

General James Longstreet’s victory at the Battle of Thoroughfare Gap enabled General Robert E. Lee to reunite the Army of Northern Virginia during the Northern Virginia Campaign of the American Civil War, virtually ensuring a Confederate victory at the Second Battle of Bull Run. [Wikimedia Commons]

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Quick Facts

  • Also known as: The Battle of Chapman’s Mill
  • Date Started: The Battle of Thoroughfare Gap started on August 28, 1862.
  • Date Ended: The Battle of Thoroughfare Gap ended on August 28, 1862.
  • Location: Fauquier County and Prince William County, Virginia
  • Who Won: The Confederacy won the Battle of Thoroughfare Gap

Interesting Facts

  • The Battle of Thoroughfare Gap was a relatively minor engagement that had significant consequences.
  • Combined losses on both sides at the Battle of Thoroughfare Gap totaled only about 100.

Campaign

Principal Union Commanders

  • Major General Irvin McDowell
  • Colonel Sir Percy Wyndham
  • Brigadier General James B. Ricketts

Principal Confederate Commanders

  • Major General James Longstreet
  • Colonel G.T. Anderson
  • Brigadier General Cadmus M. Wilcox
  • Colonel Henry Benning

Union Forces Engaged

  • 1st New Jersey Cavalry Regiment
  • Ricketts’ Division (Army of Virginia)

Confederate Forces Engaged

Number of Union Soldiers Engaged

  • Undetermined

Number of Confederate Soldiers Engaged

  • Undetermined

Estimated Union Casualties

  • Fewer than 100 (killed, wounded, and missing/captured)

Estimated Confederate Casualties

  • Fewer than 100 (killed, wounded, and missing/captured)

Result

  • Confederate victory

Outcome

  • The Confederate victory at the Battle of Thoroughfare Gap created a clear path for the reunification of the Army of Northern Virginia on August 29, 1862, virtually ensuring a Confederate victory at the Second Battle of Bull Run the next day.

Timeline of the Battle of Thoroughfare Gap

These are the main battles and events that led to and followed the Battle of Thoroughfare Gap, in chronological order.

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August 9, 1862 — Battle of Cedar Mountain
August 22-25, 1862 — First Battle of Rappahannock Station
August 28, 1862 — Battle of Thoroughfare Gap
August 28, 1862 — Battle of Brawner’s Farm
August 28–30, 1862 — Second Battle of Bull Run
September 1, 1862 — Battle of Chantilly

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Citation Information

The following information is provided for citations.

  • Article Title Battle of Thoroughfare Gap Facts
  • Coverage August 28, 1862
  • Author
  • Keywords battle of pea ridge
  • Website Name American History Central
  • Access Date November 26, 2022
  • Publisher R.Squared Communications, LLC
  • Original Published Date
  • Date of Last Update May 6, 2022

Battle of Thoroughfare Gap Facts is Part of the Following on AHC

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