Ulysses S. Grant fought the Civil War.
The Battle of Shiloh , also known as the Battle of Pittsburg Landing , was a major battle in the Western Theater of the American Civil War , fought April 6 -- 7 , 1862 , in southwestern Tennessee . Ulysses S. Grant . As Commanding General ( 1864 -- 69 ) , Grant worked closely with President Abraham Lincoln to lead the Union Army to victory over the Confederacy in the American Civil War .