The Battle of Resaca was part of the Atlanta Campaign of the American Civil War. The battle was waged in both Gordon and Whitfield counties, Georgia, from May 13–15, 1864. It ended inconclusively with the Confederate Army retreating. The engagement was fought between the Military Division of the Mississippi (led by Major General William T. Sherman) on the side of the Union and the Army of Tennessee (General Joseph E. Johnston) for the Confederates.