Northern Name for Battle: Spotsylvania Southern Name for Battle: Spotsylvania Location of Battle: Spotsylvania County, Virginia Date of Battle: May 8-20, 1864 Northern Commander: Ulysses S. Grant Southern Commander: Robert E. Lee Winner: Tie Northern Troops Involved: 100,000 Southern Troops Involved: 52,000 Northern Casualties: 18,399 Southern Casualties: 9,500 Interesting Facts: This battle was the fourth costliest battle of the Civil War.