1.Gettysburg, July 1-3, 1863 (North won)
51,112-Union 23,049 Confederates 28,063

2.Chickamauga, September 19-20, 1863 (South won)
34,624-Union 16,170 Confederates 18,454

3.Chancellorsville, May 1-4, 1864 (South won)
30,099-Union 17,278 Confederates 12,821

4.Spotsylvania,May 8-21, 1864 (inconclusive)
27,399-Union 18,399 Confederates 9,000

5.Antietam,September 17,1862 (North won)
26,234-Union 12,410 Confederates 13,724

6.Wilderness,May 5-6, 1864 (inconclusive)
25,416-Union 17,666 Confederates 7,750

7.Stone's River,December 31, 1862 (North won)
24,741-Union 13,047 Confederates 10,694

8.Shiloh,April 6-7, 1862 (North won)
23,416-Union 13,047 Confederates 10,694

9.Second Manassas,August 29-30, 1862 (South won)
25,251-Union 16,054 Confederates 9,197

10.Fort Donelson,Febuary 13-16, 1862 (North won)
19,455-Union Confederates 16,623 

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