Ulysses S. Grant fought in a 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 . The Chattanooga Campaign was a series of maneuvers and battles in October and November 1863 , during the American Civil War . Ulysses S. Grant . In July 1863 , after a series of coordinated battles , Grant defeated Confederate armies and seized Vicksburg , giving the Union control of the Mississippi River and dividing the Confederacy in two .