American Civil War

April 12, 1861 – May 26, 1865 · Eastern United States

Result Union victory

War in the United States from 12 April 1861 to 26 May 1865 between the Union (the North) and the Confederacy (the South), formed in 1861 by states that seceded to preserve slavery after Abraham Lincoln's 1860 election victory; it began when the Confederacy bombarded Fort Sumter. Union victory dissolved the Confederacy and abolished slavery, freeing four million African Americans.

Union

Confederacy

Other

Strength and losses

Strength
2,200,000
Casualties
828,000
Deaths
365,000
Wounded
282,000
Captured
181,193

United States Strength 2,213,363 · Killed 140,414 · Deaths 364,511 · Wounded 281,881

Strength
750,000–1,000,000
Casualties
864,000
Deaths
290,000
Wounded
137,000
Captured
436,658

Confederate States of America Strength c. 1,050,000 · Killed c. 74,524 · Deaths c. 133,821

Killed
c. 618,000

Units

1st Louisiana Native Guard (Union) 5th New York State Militia Army of Arkansas Army of Georgia Army of Northeastern Virginia Army of Virginia Army of the Cumberland IV Corps (Union Army) Also under Army of the Ohio XIV Corps (Union Army) Also under Army of Georgia XX Corps (Union Army) Also under Army of Georgia Army of the Gulf Army of the James Army of the Ohio XXIII Corps (Union Army) Army of the Potomac Cavalry Corps (Union Army) Also under Army of the Shenandoah (Union) I Corps (Union Army) Iron Brigade Also under V Corps (Union Army) and Army of Virginia II Corps (Union Army) Irish Brigade (Union Army) 1st Minnesota Infantry Regiment III Corps (Union Army) IX Corps (Union Army) Also under Army of the Ohio and Army of the Tennessee V Corps (Union Army) 20th Maine Infantry Regiment VI Corps (Union Army) Also under Army of the Shenandoah (Union) XI Corps (Union Army) Also under Army of the Cumberland XII Corps (Union Army) Also under Army of the Cumberland XIX Corps (Union army) Army of the Shenandoah (Union) Army of the Tennessee XV Corps (Union Army) XVII Corps (Union Army) Denver City Home Guard Home Guard (United States) Union Army Union Army of Kentucky VII Corps (Union army) VIII Corps (Union army) X Corps (Union army) XIII Corps (Union army) XVI Corps (Union army) XXV Corps (Union army) 11th United States Colored Infantry Regiment (New) 14th Pennsylvania Cavalry Regiment 199th Pennsylvania Infantry Regiment 2nd New York Cavalry Regiment 3rd New York Cavalry Regiment 46th Massachusetts Infantry Regiment 8th Ohio Cavalry Regiment 8th Regiment Heavy Artillery U.S. Colored Troops Union Army Balloon Corps United States Army Army of West Mississippi Army of West Virginia Army of the Frontier Army of the Mississippi Army of the Southwest Department of Pennsylvania Kanawha Division United States Army Corps of Engineers Utah Territorial Militia 1st Missouri US Reserve Corps Infantry Regiment Corps d'Afrique Veteran Corps of Artillery Republican Blues 147th Regiment (United States) 14th Infantry Regiment (United States) 16th Infantry Regiment (United States) 18th Infantry Regiment (United States) 19th Infantry Regiment (United States) 1st Air Defense Artillery Regiment 1st Cavalry Regiment (United States) 1st Colorado Infantry Regiment 1st West Virginia Cavalry Regiment 22nd Infantry Regiment (United States) 23rd Infantry Regiment (United States) 2nd Air Defense Artillery Regiment 2nd Cavalry Regiment (United States) 2nd Colorado Infantry Regiment 2nd Florida Cavalry Regiment (Union) 2nd Infantry Regiment (United States) 2nd United States Colored Infantry Regiment 2nd West Virginia Infantry Regiment 3rd Cavalry Regiment (United States) 3rd West Virginia Cavalry Regiment 42nd Massachusetts Infantry Regiment 4th Cavalry Regiment (United States) 4th Infantry Regiment (United States) 54th Massachusetts Infantry Regiment 5th Cavalry Regiment 5th Infantry Regiment (United States) 5th Minnesota Infantry Regiment 5th United States Colored Cavalry Regiment 6th Indiana Infantry Regiment 6th Ohio Cavalry Regiment 7th Infantry Regiment (United States) Chatham Artillery 1st U.S. Artillery, Battery E East Gulf Blockading Squadron Mississippi River Squadron North Atlantic Blockading Squadron USS Monitor South Atlantic Blockading Squadron USS Housatonic West Gulf Blockading Squadron USS Hartford USS Kearsarge

Battles and events 310

Key events

1861 33 events
1862 86 events
1863 63 events
1864 104 events
1865 24 events

Before and after

Followed from
Kansas–Nebraska Act May 30, 1854
Dred Scott v. Sandford March 6, 1857
John Brown's raid on Harpers Ferry October 16–18, 1859
Led to
Emancipation Proclamation January 1, 1863
Reconstruction era April 9, 1865 – January 20, 1877

Related events 1 degree away • 2 degrees away

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American Civil War
 
 
 
 
 

Also involved 185

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