Northern Name for Battle: Chattanooga Southern Name for Battle: Chattanooga Location of Battle: Hamilton County, Chattanooga City, Tennessee Date of Battle: November 23-25, 1863 Northern Commander: Grant and Thomas Southern Commander: Braxton Bragg Winner: Union Northern Troops Involved: 56,000 Southern Troops Involved: 46,000 Northern Casualties: 5,824 Southern Casualties: 6,667 Interesting Facts: After this battle the Union had complete control of Tennessee.