General officers in the Confederate States Army Edmund Kirby Smith, who was appointed general late in the war and into the PACS. Pierre G.T. Beauregard, had also initially been appointed a PACS general but was elevated to ACSA two months later with the same date of rank. These generals outranked all other grades of generals, as well as all lesser officers in the Confederate States Army. The first group of officers appointed to general were Samuel Cooper, Albert Sidney Johnston, Robert E. Lee, Joseph E. Johnston, and Pierre G.T. Beauregard, with their seniority in that order. This ordering caused Cooper, a staff officer who would not see
Western Theater of the American Civil War River to Knoxville, Tennessee, thus achieving the needed unity of command, and Halleck ordered Buell to join Grant's forces at Pittsburg Landing on the Tennessee River. On April 6, the combined Confederate forces under Beauregard and Johnston surprised Grant's unprepared Army of West Tennessee with a massive dawn assault at Pittsburg Landing in the Battle of Shiloh. In the first day of the battle, the Confederate onslaught drove Grant back against the Tennessee but could not defeat him. Johnston was mortally wounded leading an infantry charge that day; he was considered by Jefferson Davis to be the most effective general