Question: who were involved in the american civil war
Answer: 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 ) ( 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.