what were the bloodest battles of the civil war?

Shiloh

Period: Apr 6, 1862 to Apr 7, 1862

union victory
23746 casualties
location tennessee

Antietam

Period: Sep 16, 1862 to Sep 18, 1862

Inconclusive
22717 casualties
location Maryland

Second manassas

Period: Sep 28, 1862 to Sep 30, 1862

confederate victory
22177 casualties
Virginia

Chancellorsville

Period: Apr 30, 1863 to May 6, 1863

Confederate Victory
30764 losses
Virginia

Vicksburg

Period: May 18, 1863 to Jul 4, 1863

union victory
37273 casualties
mississippi

Gettysburg

Period: Jul 1, 1863 to Jul 3, 1863

the confederate won
total losses 3903 killed
Pennsylvania

Chickamuga

Period: Sep 18, 1863 to Sep 20, 1863

the confederate won
2312 killed
location was Georgia

Murdreesboro

Period: Dec 31, 1863 to Jan 2, 1863

union victory
24645 casualties
location tennessee

The wilderness

Period: May 5, 1864 to May 7, 1864

the victory was inconclusive
162920 people were killed
location virginia

Spotsylvania

Period: May 8, 1864 to May 21, 1864

victory was inconclusive
about 152000 engaged
loction was virginia