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Three new federal army departments are formed

Federal Government and Politics, iconic image
The early organization of the federal forces to counter the rebellion continued with the formation of three new military departments, Washington, Pennsylvania, and Annapolis.  Washington was placed under the command of Colonel J.K. F. Mansfield, U.S. Army, Pennsylvania under the veteran major general Robert Patterson, and Annapolis under the newly-minted Major-General Benjamin Butler.  The Department of the Ohio was formed two weeks later, under Major General George McClellan.  (By John Osborne)
Source Citation: 
Orville J. Victor,  The History, Civil, Political, and Military, of the Southern Rebellion ... (New York: James D. Torrey, 1861), II:143.


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