General of the Armies Congress authorized the appointment of three-star lieutenant generals and four-star generals to be granted temporarily for service in the National Army. Tasker H. Bliss and John J. Pershing were promoted to general in October 1917, and Peyton C. March was promoted to that rank in May 1918. Hunter Liggett and Robert Lee Bullard were both promoted to lieutenant general on October 16, 1918. In 1919, by Congressional directive, the rank of General of the Armies was formally established and John J. Pershing became the first person to hold the rank. After the close of the First World War, the highest
General officers in the United States the Chief of Staff of the Army, who had been a major general, equal rank with the Chief of Naval Operations which had been a four-star position since 1916. Lieutenant Generals were reauthorized on 5 August 1939. Four Lieutenant Generals were authorized as temporary ranks for the commanding officers of the four numbered field armies at the time. The four-star rank of General remained unique to the Chief of Staff. During World War II most American Generals held temporary or “theater” appointments in the Army of the United States. Until the Second World War, the highest Marine Corps general rank