Date(s)
|
Casualties
|
Answer
|
July 1-3, 1863
|
46,286
|
Gettysburg
|
September 19-20, 1863
|
34,624
|
Chickamauga
|
May 8-21, 1864
|
31,820
|
Spotsylvania Court House
|
May 1-4, 1863
|
30,500
|
Chancellorsville
|
May 5-7, 1864
|
28,791
|
The Wilderness
|
December 31 - January 2, 1863
|
24,645
|
Murfreesboro
|
April 6-7, 1862
|
23,746
|
Shiloh
|
September 17, 1862
|
22,717
|
Antietam
|
August 29-30, 1862
|
18,300
|
Second Manassas
|
December 11-15, 1862
|
18,030
|
Fredericksburg
|
|
Date(s)
|
Casualties
|
Answer
|
May 31 - June 12, 1864
|
17,332
|
Cold Harbor
|
June 15-18, 1864
|
15,386
|
Second Petersburg
|
June 27, 1862
|
14,830
|
Gaines's Mill
|
November 25, 1863
|
12,491
|
Missionary Ridge
|
July 22, 1864
|
12,140
|
Atlanta
|
May 31 - June 1, 1862
|
11,165
|
Seven Pines
|
December 15-16, 1864
|
9,061
|
Nashville
|
October 19, 1864
|
8,674
|
Cedar Creek
|
September 19, 1864
|
8,630
|
Opequon
|
November 30, 1864
|
8,578
|
Franklin
|
|