Grant v Lee 1864 to end of war By cestep15 Jun 1, 1862 Lee takes control of the Army of Northern Virginia Mar 3, 1864 Grant takes control over all Union forces in the United States Period: May 5, 1864 to May 7, 1864 Battle of the Wilderness Period: May 8, 1864 to May 21, 1864 Battle of Spotsylvania Court House Period: May 31, 1864 to Jun 12, 1864 Battle of Cold Harbor Period: Jul 9, 1864 to Mar 25, 1865 Siege of Petersburg Apr 9, 1865 Surrender at Appomattox Court House