World History Maps Interactive Historical Atlas of the Civil War, detail page for:

The Potomac, US Army Department Aug 17, 1861 - after Jun 25, 1865

US Dept. of The Potomac created Delaware and Maryland transferred from Dept. of Pennsylvania parts of Virginia included Dept. of Pennsylvania discontinued Depts. Of Washington Northeastern Virginia and Shenandoah discontinued absorbed by Dept. of the Poto, Aug 17, 1861
George B. McClellan Commander, Aug 17, 1861 - Nov 5, 1862
Balls Bluff, battle, Oct 21, 1861
Dranesville, battle, Dec 20, 1861

Cockpit Point, battle, Jan 3, 1862
New Jersey and Pennsylvania added to Dept. of The Potomac, Feb 1, 1862
Western Maryland transferred from US Dept. of the Potomac to Dept. of Western Virginia, Mar 3, 1862
US Middle Dept. created Pennsylvania New Jersey Delaware and eastern Maryland transferred from Dept. of the Potomac, Mar 22, 1862
Kernstown, battle, Mar 23, 1862
US Dept. of The Shenandoah recreated parts of Maryland and Virginia transferred from Dept. of the Potomac, Apr 4, 1862
Forces of the US Depts. Of the Shenandoah Rappahannock and Middle Dept. absorbed by Dept. of the Potomac, Jun 26, 1862
US Dept. of the Rappahannock discontinued divided between Middle Dept. and Dept. of the Potomac, Jun 26, 1862
Cedar Mountain, battle, Aug 9, 1862
Northern Virginia campaign, Aug 16, 1862 - Sep 2, 1862
US Dept. of the Ohio recreated Indiana Illinois Wisconsin eastern Kentucky western Ohio and western Michigan transferred from Dept. of the Mississippi eastern Ohio and eastern Michigan transferred from Dept. of the Potomac, Aug 19, 1862
Rappahannock Station, battle, Aug 22, 1862 - Aug 25, 1862
Manassas Station, battle, Aug 25, 1862 - Aug 27, 1862
Thoroughfare Gap, battle, Aug 28, 1862
Manassas, second battle, Aug 28, 1862 - Aug 30, 1862
Chantilly, battle, Sep 1, 1862
Maryland campaign, Sep 3, 1862 - Sep 20, 1862
South Mountain, battle, Sep 14, 1862
Harpers Ferry, CS capture, Sep 15, 1862
Antietam, battle, Sep 16, 1862 - Sep 18, 1862
Shepherdstown, battle, Sep 19, 1862 - Sep 20, 1862
Ambrose E. Burnside Commander, Nov 5, 1862 - Jan 25, 1863
Fredericksburg Campaign, Nov 17, 1862 - Dec 15, 1862
Fredericksburg, battle, Dec 11, 1862 - Dec 15, 1862

Joseph Hooker Commander, Jan 25, 1863 - Jun 27, 1863
Chancellorsville Campaign, Apr 27, 1863 - May 6, 1863
Chancellorsville, battle, Apr 30, 1863 - May 6, 1863
Fredericksburg, battle, May 3, 1863
Salem Church, battle, May 3, 1863 - May 4, 1863
Gettysburg Campaign, Jun 3, 1863 - Aug 1, 1863
Brandy Station, battle, Jun 9, 1863
Winchester, engagement, Jun 13, 1863 - Jun 15, 1863
Aldie, battle, Jun 17, 1863
Middleburg, action, Jun 17, 1863 - Jun 19, 1863
Upperville, battle, Jun 21, 1863
George G. Meade Commander, Jun 27, 1863 - Dec 30, 1864
Boonsborough, battle, Jul 8, 1863
Manassas Gap, battle, Jul 23, 1863
Maryland west of Monocacy river plus Harpers Ferry Virginia transferred from US Dept. of the Potomac to Dept. of West Virginia, Aug 3, 1863
Bristoe Campaign, Oct 9, 1863 - Nov 9, 1863
Auburn, battle, Oct 13, 1863
Auburn, battle, Oct 14, 1863
Bristoe Station, battle, Oct 14, 1863
Buckland Mills, battle, Oct 19, 1863
Kellys Ford, action, Nov 7, 1863
Rappahannock Station, battle, Nov 7, 1863
Mine Run Campaign, Nov 26, 1863 - Dec 2, 1863
Mine Run, battle, Nov 27, 1863 - Dec 2, 1863

Walkerton, battle, Mar 2, 1864
Grant’s Overland Campaign, May 2, 1864 - Jun 11, 1864
Wilderness, battle, May 5, 1864 - May 7, 1864
Port Walthall Junction, battle, May 6, 1864 - May 7, 1864
Spotsylvania Court House, battle, May 8, 1864 - May 21, 1864
Swift Creek, battle, May 9, 1864
Chester Station, battle, May 10, 1864
Yellow Tavern, battle, May 11, 1864
Proctors Creek, battle, May 12, 1864 - May 16, 1864
New Market, engagement, May 15, 1864
Ware Bottom Church, battle, May 20, 1864
North Anna, battle, May 23, 1864 - May 26, 1864
Wilsons Wharf, action, May 24, 1864
Lynchburg Campaign, May 26, 1864 - Jul 3, 1864
Haws Shop, battle, May 28, 1864
Totopotomoy Creek, battle, May 28, 1864 - May 30, 1864
Old Church, combat, May 30, 1864
Cold Harbor, battle, Jun 1, 1864 - Jun 3, 1864
Piedmont, engagement, Jun 5, 1864
Petersburg, battle, Jun 9, 1864
Trevilian Station, battle, Jun 11, 1864 - Jun 12, 1864
Richmond-Petersburg Campaign, Jun 12, 1864 - Mar 29, 1865
Petersburg, battle, Jun 15, 1864 - Jun 18, 1864
Lynchburg, engagement, Jun 17, 1864 - Jun 18, 1864
Parts of Maryland transferred from US Dept. of the Potomac to Dept. of Washington, Jun 21, 1864
Jerusalem Plank Road, battle, Jun 21, 1864 - Jun 24, 1864
Saint Marys Church, battle, Jun 24, 1864
Staunton River Bridge, battle, Jun 25, 1864
Sappony Church, engagement, Jun 28, 1864 - Jun 29, 1864
Reams Station, engagement, Jun 29, 1864
Monocacy, battle, Jul 9, 1864
Fort Stevens, battle, Jul 11, 1864 - Jul 12, 1864
Cool Spring, battle, Jul 17, 1864 - Jul 18, 1864
Rutherford’s Farm, battle, Jul 20, 1864
Kernstown, battle, Jul 24, 1864
Deep Bottom, First Battle, Jul 27, 1864 - Jul 29, 1864
Crater, battle, Jul 30, 1864
Folcks Mill, battle, Aug 1, 1864
Moorefield, battle, Aug 7, 1864
Deep Bottom, Second Battle, Aug 13, 1864 - Aug 20, 1864
Guard Hill, battle, Aug 16, 1864
Globe Tavern, battle, Aug 18, 1864 - Aug 21, 1864
Summit Point, battle, Aug 21, 1864
Reams Station, battle, Aug 25, 1864
Smithfield Crossing, engagement, Aug 29, 1864
Berryville, battle, Sep 3, 1864 - Sep 4, 1864
Opequon, battle, Sep 19, 1864
Fishers Hill, battle, Sep 21, 1864 - Sep 22, 1864
Chaffins Farm, battle, Sep 29, 1864 - Sep 30, 1864
Peebles Farm, battle, Sep 30, 1864 - Oct 2, 1864
Darbytown and New Market, battle, Oct 7, 1864
Toms Brook, battle, Oct 9, 1864
Darbytown Road, battle, Oct 13, 1864
Cedar Creek, battle, Oct 19, 1864
Boydton Plank Road, battle, Oct 27, 1864 - Oct 28, 1864
Fair Oaks and Darbytown, battle, Oct 27, 1864 - Oct 28, 1864
John G. Parke Temp Commander, Dec 30, 1864 - Jan 11, 1865

George G. Meade Commander, Jan 11, 1865 - after Jun 25, 1865
Hatchers Run, battle, Feb 5, 1865 - Feb 7, 1865
Waynesboro, battle, Mar 2, 1865
Fort Stedman, battle, Mar 25, 1865
Lewiss Farm, battle, Mar 29, 1865
Appomattox Campaign, Mar 29, 1865 - Apr 9, 1865
Dinwiddie Court House, battle, Mar 31, 1865
White Oak Road, battle, Mar 31, 1865
Five Forks, battle, Apr 1, 1865
Petersburg, battle, Apr 2, 1865
Sutherlands Station, battle, Apr 2, 1865
Namozine Church, battle, Apr 3, 1865
Amelia Springs, battle, Apr 5, 1865
High Bridge, action near, Apr 6, 1865
Rices Station, battle, Apr 6, 1865
Sailors Creek, battle, Apr 6, 1865
Cumberland Church, battle, Apr 7, 1865
Appomattox Station, battle, Apr 8, 1865
Appomattox Court House, Robert E. Lee surrender, Apr 9, 1865
Washington, Abraham Lincoln assasinated, Apr 14, 1865
US Division of THE JAMES created including Depts of Virginia North Carolina and Dept. of the Potomac, Apr 19, 1865