Black and white photograph of John A. McClernand.

The second Army of the Mississippi was an unofficial name that Major John A. McClernand gave to the combined 13th and 15th Army Corps. [Library of Congress]

Army of the Mississippi, Second (USA) Facts

January 1863

Key facts about the Union's second Army of the Mississippi.

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Formation Date

  • January 1863

Dissolution Date

  • Late January 1863

Commanders

Notable Engagements

Significance

  • The Second Army of the Mississippi was an unofficial name that Major John A. McClernand gave to the combined 13th and 15th Army Corps.
  • At its largest, the second Army of the Mississippi consisted of 33, 000 Union soldiers.
  • The Second Army of the Mississippi easily overran Brigadier General Thomas J. Churchill’s 5,500-man garrison at Fort Hindman during the Battle of Arkansas Post (January 9 – 11, 1863).
  • Major general Ulysses S. Grant discontinued the second Army of the Mississippi in late January 1863 by separating the 13th and 15th Army Corps.
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Citation Information

The following information is provided for citations.

  • Article Title Army of the Mississippi, Second (USA) Facts
  • Coverage January 1863
  • Author
  • Keywords army of the mississippi 1863
  • Website Name American History Central
  • Access Date August 2, 2021
  • Publisher R.Squared Communications, LLC
  • Original Published Date
  • Date of Last Update April 2, 2021
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