Northern Name for Battle: Pea Ridge Southern Name for Battle: Pea Ridge Location of Battle: Benton County, Arkansas Date of Battle: March 6-8, 1862 Northern Commander: Samuel R. Curtis Southern Commanders: Earl Van Dorm Winner: Union Northern Troops Involved: 11,250 Southern Troops Involved: 14,000 Northern Casualties: 1,384 Southern Casualties: 800 Interesting Facts: The Union had complete control of Missouri after this battle.