American Civil War
American Civil War Clockwise from top: Battle of Gettysburg, Union Captain John Tidball's artillery, Confederate prisoners, ironclad USS Atlanta , ruins of Richmond, Virginia, Battle of Franklin Date April 12, 1861 – May 9, 1865 (by proclamation) [1] (4 years, 3 weeks and 6 days) (Last shot fired June 22, 1865) Location Southern United States, Northeastern United States, Western United States, Atlantic Ocean Result Union victory Dissolution of the Confederate States U.S. territorial integrity preserved Slavery abolished Beginning of the Reconstruction Era Belligerents United States Confederate States Commanders and leaders Abraham Lincoln Ulysses S. Grant William T. Sherman David Farragut George B. McClellan Henry Halleck George Meade and others Jefferson Davis Robert E. Lee J. E. Johnston G. T. Beauregard A. S. Johnston † Braxton Bragg and others Strength 2,200,000: [a] Union Army Union Marines Union Navy Revenue Service 698,000 (peak) [2] [ better source ne...