I Corps (ACW)

I Corps (First Corps) was the designation of three different corps-sized units in the Union Army during the American Civil War. The units served in the following armies:

Related Topics:
Corps - Union Army - American Civil War

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• Army of the Ohio/Army of the Cumberland, Alexander M. McCook, September 29, 1862 – November 5, 1862
• Army of the Mississippi, George W. Morgan, January 4, 1863 – January 12, 1863
• Army of the Potomac and Army of Virginia (see below)

The first two were units of very limited life; the third was one of the most distinguished and veteran corps in the entire Union Army, commanded by very distinguished officers.

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I Corps (ACW): History ►