10 Bloodiest Civil War Battles

The Civil War Battles That Resulted in the Most Casualties

The Civil War lasted from 1861-1865 and resulted in the deaths of more than 620,000 union and confederate soldiers. Each of the battles on this list resulted in more than 19,000 casualties including those who were either killed or wounded.

This battle which occurred from the July 1-3, 1863 in Gettysburg, Pennsylvania resulted in 51,000 casualties of which 28,000 were Confederate soldiers. The Union was considered the winner of the battle. More »
Lt. Van Pelt defending his battery in the battle of Chickamauga during the American Civil War
Lt. Van Pelt defending his battery in the battle of Chickamauga during the American Civil War. Rischgitz/Stringer/Hulton Archive/Getty Images
The Battle of Chickamauga took place in Georgia between September 19-20, 1863. It was a victory for the Confederacy that resulted in 34,624 casualties of which 16,170 were Union soldiers. More »
Dead of Ewell's Corps, Battle of Spotsylvania, May 1864
Dead of Ewell's Corps, Battle of Spotsylvania, May 1864. Source: Library of Congress Prints and Photographs Division: LC-DIG-ppmsca-32934

Occurring between May 8-21,1864, the Battle of Spotsylvania Court House took place in Virginia. 30,000 casualties of which 18,000 were Union soldiers. However, it was not conclusive whether the union or the confederacy won the battle. More »

Ulysses S. Grant, Union Commander in the Battle of the Wilderness
Ulysses S. Grant, Union Commander in the Battle of the Wilderness. Getty Images
This battle took place in Virginia between May 5-7, 1864. It resulted in 25,416 casualties. The confederacy won this battle. More »
Battle of Chancellorsville in the American Civil War
Battle of Chancellorsville in the American Civil War. Library of Congress Prints and Photographs Division LC-DIG-pga-01844
The Battle of Chancellorsville took place in Virginia from May 1-4, 1863. It resulted in 24,000 casualties of which 14,000 were Union soldiers. The confederates won the battle. More »
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Battle of Shiloh

Battle of Shiloh in the American Civil War
Battle of Shiloh in the American Civil War. Library of Congress Prints and Photographs Division LC-DIG-pga-04037
Between April 6-7, 1862, the Battle of Shiloh raged in Tennessee. Approximately 23,746 men died. Of those, 13,047 were Union soldiers. While there were more Union than Confederate casualties, the battle did result in a tactical victory for the North.
Monument at the Battle of Stones River Battlefield - American Civil War
Monument at the Battle of Stones River Battlefield - American Civil War. Library of Congress Prints & Photographs Division LC-DIG-cwpb-02108

The Battle of Stones River occurred between December 31, 1862-January 2, 1863 in Tennessee. It resulted in a Union victory with 23,515 casualties of which 13,249 were Union soldiers. More »

Dead at the Battle of Antietam - American Civil War
Dead at the Battle of Antietam - American Civil War. Library of Congress Prints & Photographs Division LC-DIG-ds-05194
The Battle of Antietam occurred between September 16-18, 1862 in Maryland. It resulted in 23,100 casualties. While the result of the battle was inconclusive, it did give a strategic advantage to the Union. More »
African-Americans fleeing from Virginia after the 2nd Battle of Bull Run.
African-Americans fleeing from Virginia after the 2nd Battle of Bull Run. They are seen crossing the Rappahannock River. August, 1862. Courtesy of Library of Congress, Prints & Photographs Division, LC-B8171-0518 DLC
Between August 28-30, the Second Battle of Bull Run occurred in Manassas, Virginia. It resulted in a victory for the confederacy. There were 22,180 casualties of which 13,830 were Union soldiers. More »
Soldiers searching by torch-light for wounded soldiers after a Rebel assault on Schwartz's battery during the Union siege of Fort Donelson, Tennessee.
Soldiers searching by torch-light for wounded soldiers after a Rebel assault on Schwartz's battery during the Union siege of Fort Donelson, Tennessee. Library of Congress Prints & Photographs Division LC-USZ62-133797

The Battle of Fort Donelson was fought between February 13-16, 1862 in Tennessee. It was a victory for the Union forces with 17,398 casualties. Of those casualties, 15,067 were Confederate soldiers. More »