Example image of eyePlorer eyePlorer map for 'Battle of Seven Pines': American Civil War Henrico County, Virginia Peninsula Campaign Army of the Potomac George B. McClellan Major general (United States) Richmond, Virginia Union Army Virginia Peninsula Chickahominy River Confederate States Army Joseph E. Johnston IV Corps (Union Army) III Corps (Union Army) John Sedgwick Edwin Vose Sumner II Corps (Union Army) Battle of Shiloh Eastern Theater of the American Civil War Seven Days Battles Battle of Drewry's Bluff Drewry’s Bluff James River Pamunkey River I Corps (Union Army) Irvin McDowell William Henry Fitzhugh Lee Richmond and York River Railroad Brigadier general (United States) Fitz John Porter V Corps (Union Army) VI Corps (Union Army) William B. Franklin Erasmus D. Keyes Malaria Army of Northern Virginia James Longstreet Richard H. Anderson Benjamin Huger (general) Gustavus Woodson Smith William H.C. Whiting A. P. Hill John B. Magruder David Rumph Jones Lafayette McLaws Fredericksburg, Virginia Battle of Hanover Court House Shenandoah Valley Silas Casey Acoustic shadow