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Army of the Potomac

American  
[ahr-mee uhv thuh puh-toh-muhk] / ˈɑr mi ʌv ðə pəˈtoʊ mək /

noun

U.S. History.
  1. Union forces, trained and organized by General George B. McClellan, that guarded Washington, D.C., against a Confederate invasion across the Potomac and fought battles in the eastern sector during the Civil War.

  2. Confederate forces from the Alexandria, Potomac, and Shenandoah districts from mid–1861 to mid–1862: later known as Army of Northern Virginia.


Example Sentences

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Gen. Ambrose Burnside as commander of the Army of the Potomac, “but if the couchant lion postpones his spring too long, people will begin wondering whether he is not a stuffed specimen after all.”

From The Wall Street Journal Jan. 23, 2026

President Abraham Lincoln fired the his commander of the Army of the Potomac, Gen. George B. McClellan, in the civil war, and during the Korean War, President Truman dismissed Gen. Douglas MacArthur.

From New York Times Jan. 30, 2024

The Library of America has just reissued Bruce Catton’s Army of the Potomac trilogy, a welcome omnibus of “Mr. Lincoln’s Army,” “Glory Road” and the Pulitzer Prize-winning “A Stillness at Appomattox.”

From Washington Post Dec. 2, 2022

Gen. George G. Meade the new commander of the Army of the Potomac, following the resignation of Maj.

From Washington Times Jun. 28, 2020

“With the Army of the Potomac doin’ nothin?” he asked.

From "Across Five Aprils" by Irene Hunt

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