Northern Name for Battle: Fair Oakes Southern Name for Battle: Seven Pines Location of Battle: Henrico County, Virginia Date of Battle: May 31-July 1, 1862 Northern Commander: George Brinton McClellan Southern Commanders: Joseph Eggleston Johnston and Robert E. Lee Winner: Union Northern Troops Involved: 42,000 Southern Troops Involved: 42,000 Northern Casualties: 5,031 Southern Casualties: 6,124 Interesting Facts: Because Johnston was wounded in this battle, general Robert E.Lee took full control of the Army of Northern Virginia.