Armies in the American Civil War of regiments from the same state. In the Confederate Army, a brigadier general usually commanded a brigade, and a major general commanded a division. The Federal Army, with no rank higher than major general until 1864, often had colonels commanding brigades, brigadier generals commanding divisions, and major generals commanding corps and armies. Grant received the revived rank of lieutenant general in 1864, placing him with clear authority over all of the Federal armies, but rank squabbles between the major generals appeared within the Union command structure throughout the Overland Campaign. The large numbers of organizations formed are a reflection of
General of the Armies active grade in the U.S. Army again became major general, with all lieutenant generals and generals (except for Pershing) reverted to this permanent rank of major general. Pershing then retired from the United States Army on September 13, 1924, and retained his rank on the U.S. Army retirement rolls until his death in 1948. Four-star generals were reauthorized in 1929, starting with Charles Pelot Summerall. Pershing at this time was no longer on active duty, but his rank was regarded as senior to a full general outside the regular promotion tier. On December 14, 1944, the United States Army established