Chapter 4

McClellan to Fortress Monroe.—Yorktown.—Williamsburg.—Fair Oaks.—Lee in Command.—McDowell Retained at Fredericksburg.—Lee Assumes the Offensive.—Gaines's Mill.—The Seven Days' Retreat.—Malvern Hill.—Union Army at Harrison's Landing.—Discouragement.—McClellan Leaves the Peninsula.—Pope's Advance on Richmond.—Retreat.—Jackson in his Rear.—Second Battle of Bull Run.—Pope Defeated.—Chantilly.—McClellan again Commander.—Lee in Maryland.—South Mountain.—Antietam.—Lee Escapes.—McClellan Removed and Burnside in Command.—Fredericksburg.—The Battle.—Hooker General-in-Chief.—Chancellorsville.—Flank Movement by Jackson.—Battle of May 3d.—Lee in Pennsylvania.—Convergence to Gettysburg.—First Day's Battle.—Second Day.—Third.—Pickett's Charge.—Failure.—Lee Escapes.—Significance of this Battle.