Military Wiki
Army of the Peninsula
Active May 26, 1861–April 26, 1862[1]
Disbanded Incorporated into Army of Northern Virginia April 26, 1862
Country  Confederate States of America
Branch  Confederate States Army
Type Field army
Garrison/HQ Yorktown, Virginia
Nickname(s) Magruder's Army
Engagements Battle of Big Bethel
John B. Magruder

The Army of the Peninsula or Magruder's Army[2] was a Confederate army early in the American Civil War.

In May 1861, Colonel John B. Magruder was assigned to command operations on the lower Virginia Peninsula with Yorktown as headquarters.[1] The Confederate Secretary of War LeRoy Pope Walker ordered the Department of the Peninsula into existence on May 26, and the military force was named for the department. Magruder fought a portion of his command to good effect at Big Bethel, an early Confederate victory.[1]

By year's end, the force had swollen to 13,000 men, still commanded by Magruder, now major general. In April 1862 Magruder's army was incorporated into the right wing of the larger army of Joseph E. Johnston, preparing defenses against an expected attack by George B. McClellan in what would become the Peninsula Campaign. While the army designation ceased to exist, Magruder's army's independence and initiative was instrumental in preventing McClellan from rapidly advancing on Richmond.[2]


  1. 1.0 1.1 1.2 Boatner, Mark Mayo, III. The Civil War Dictionary. page 632
  2. 2.0 2.1 Boatner, Mark Mayo, III. The Civil War Dictionary. page 501


  • Boatner, Mark Mayo, III. The Civil War Dictionary. New York: McKay, 1959; revised 1988. ISBN 0-8129-1726-X.

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