Army of the Potomac (CSA)
June 20, 1861 – June 1, 1862 Organized on June 20, 1861, the Army of the Potomac later became the Army of Northern Virginia, … Read more
Army of the Potomac (USA)
1861–1865 The Army of the Potomac was the Union's primary fighting force in the Eastern Theater throughout most of the American Civil War. At … Read more
Army of the Shenandoah (CSA)
May 15, 1861 – July 20, 1861 The main Confederate force in northwestern Virginia after the beginning of the American Civil War, the Army … Read more
Army of the Shenandoah (USA) (1861)
1861–1862 The first Army of the Shenandoah is an unofficial designation given to troops who served in the Shenandoah Valley in 1861 and 1862 … Read more
Army of the Shenandoah (USA) (1864)
1864–1865 First commanded by Major General Philip Sheridan, the Army of the Shenandoah was formed in August 1864 to drive Confederate General Jubal Early's … Read more
Army of the South
February – April 1865 Formed in February 1865 and commanded by Major General Joseph E. Johnston, the Confederate Army of the South, consisted of … Read more
Army of the Southwest
December 25, 1861 – December 13, 1862 The Army of the Southwest was a short-lived Union force organized on December 25, 1861, to resist … Read more
Army of the Tennessee
1861–1865 Composed primarily of Midwesterners, the Army of the Tennessee participated in nearly all of the major campaigns in the Western Theater during the … Read more
Army of Vicksburg
December 7, 1862 – July 4, 1863 Formally named the Army of the Department of Mississippi and East Louisiana, Lieutenant General John C. Pemberton's … Read more
Army of Virginia
June 26, 1862–September 12, 1862 Organized on June 26, 1862, the Army of Virginia was defeated at the Battle of Bull Run II before … Read more