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There were three organizations known as the Army of Mississippi in the Confederate States Army during the American Civil War. (This name is contrasted against Army of the Mississippi, which was a Union Army named for the Mississippi River, not the state of Mississippi.)

Army of Mississippi (March 1862)[]

This army, at times known by the names Army of the West or Army of the Mississippi (the latter particularly at Shiloh), was one of the most important in the Western theater, with battles from Shiloh to Perryville. It was organized on March 5, 1862, and portions of the Army of Pensacola were added on March 13. It was consolidated with the Army of Central Kentucky and the Army of Louisiana on March 29. On November 20, 1862, it was renamed the Army of Tennessee.

Command History[]

Commander From To Major Battles and Campaigns
Gen. P.G.T. Beauregard March 5, 1862
(assumed March 17, 1862)
March 29, 1862  
Gen. Albert Sidney Johnston March 29, 1862 April 6, 1862 Shiloh
Gen. P.G.T. Beauregard April 6, 1862 May 6, 1862  
Gen. Braxton Bragg May 6, 1862
(assumed May 7, 1862)
July 5, 1862  
Maj. Gen. William J. Hardee (temp) July 5, 1862 August 15, 1862  
Gen. Braxton Bragg August 15, 1862 September 28, 1862  
Lt. Gen. Leonidas Polk (temp) September 28, 1862 November 7, 1862 Perryville
Gen. Braxton Bragg November 7, 1862 November 20, 1862  

Army of Mississippi (December 1862)[]

The second army was also referred to as the Army of Vicksburg. It was organized December 7, 1862, from troops in the Department of Mississippi and East Louisiana, including the short-lived Confederate Army of West Tennessee. Its sole function was to defend Vicksburg, Mississippi, and it ceased to exist when it surrendered to Maj. Gen. Ulysses S. Grant on July 4, 1863.

Command History[]

Commander From To Major Battles and Campaigns
Lt. Gen. John C. Pemberton December 7, 1862 December 9, 1862  
Maj. Gen. Earl Van Dorn (temp) December 9, 1862 December 17, 1862  
Lt. Gen. John C. Pemberton December 17, 1862 July 4, 1863 Vicksburg Campaign

Army of Mississippi (1863–64)[]

The third army was retitled III Corps, Army of Tennessee, around May 4, 1864, but it continued to use the former name.

Command History[]

Commander From To Major Battles and Campaigns
Lt. Gen. William J. Hardee July 30, 1863 October 23, 1863  
Lt. Gen. Leonidas Polk October 23, 1863 June 14, 1864 Atlanta Campaign
Maj. Gen. William W. Loring June 14, 1864 June 23, 1864  


  • Eicher, John H., & Eicher, David J., Civil War High Commands, Stanford University Press, 2001, ISBN 978-0-8047-3641-1.

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