The Middle Department was an administrative military district created by the

United States War Department The United States Department of War, also called the War Department (and occasionally War Office in the early years), was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army, als ...

early in the

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

to administer the troops in the Middle Atlantic states. The department was created on March 22, 1862 by the Adjutant General's Office in

Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...

It combined all Federal troops in the states of

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

Delaware Delaware ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and South Atlantic states, South Atlantic regions of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey ...

Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...

and the counties of Anne Arundel,

Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...

, Cecil, and Harford in

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...

, with headquarters in

Baltimore, Maryland Baltimore is the List of municipalities in Maryland, most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 United States census, 2020 census and estimated at 568,271 in 2024, it is the List of United States ...

. Maj. Gen. John A. Dix was designated as its first commander. The Middle Department was dissolved July 22, 1862, when it was renamed VIII Corps. Although no longer an official organization, the Middle Department designation continued to be used in reference to VIII Corps and the general administrative district that it originally encompassed.

Commanders

* Major General John A. Dix - March 22, 1862 to June 9, 1862 * Major General

John E. Wool John Ellis Wool (February 20, 1784 – November 10, 1869) was a US officer in the United States Army during three consecutive American-involved wars: the War of 1812 (1812–1815), the Mexican–American War (1846–1848), and with allegiance to ...

- June 9, 1862 to July 22, 1862

References

* Eicher, John H., and Eicher, David J., ''Civil War High Commands'', Stanford University Press, 2001, . * U.S. War Department
''The War of the Rebellion''
''a Compilation of the

Official Records The ''Official Records of the Union and Confederate Armies in the War of the Rebellion'', commonly known as the ''Official Records of the Union and Confederate Armies'' or Official Records (OR or ORs), is the most extensive collection of Americ ...

of the Union and Confederate Armies'', U.S. Government Printing Office, 1880–1901. {{Union Army Formations Military units and formations established in 1862 Military units and formations disestablished in 1862 Middle Department 1862 establishments in the United States

Commanders

See also

References