Northern Name for Battle: Vicksburg Southern Name for Battle: Vicksburg Location of Battle: Warren County, Mississippi Date of Battle: May 18-July 4, 1863 Northern Commander: Ulysses S. Grant Southern Commander: John C. Pemberton Winner: Union Northern Troops Involved: 75,000 Southern Troops Involved: 60,000 Northern Casualties: 8,873 Southern Casualties: 39,991 Interesting Facts: This battle lasted 46 days and ended on the 4th of July.