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
Major general (United States) and took command of the Union forces, he used the three-star insignia formerly assigned to that position. The Confederate States Army maintained a similar rank of major general, usually associated with the command of a division, while lieutenant generals often commanded corps and full generals led armies as a general convention. There was no major general in the U.S. Marine Corps until Commandant Charles Heywood was specially promoted by Act of Congress in July 1902. From his retirement on October 3, 1903, brigadier general was again the highest rank in the Marine Corps until May 21, 1908, when the rank