General-in-chief military forces in the field, as the generals-in-chief did in the 19th century. The rank of "General of the Armies of the United States" was conferred upon General John J. Pershing in 1919 and to Lieutenant General George Washington (posthumously) in 1975 by acts of Congress. Washington's date of rank was retroactively dated to 1799, so that he will always be the senior ranking general of the United States Army. (American general ranks and titles may be a little confusing; however, as reference is cited the public domain information of the Center for Military History of the United States Army
General of the Armies "six-star general" and "general of the armies". When MacArthur died in 1964, proponents for his promotion petitioned both the Army and Congress to grant a posthumous promotion to General of the Armies, and even went so far as to obtain a vote of neutral support from Harry S. Truman (meaning he would neither support nor attempt to scuttle the promotion). In 1965, the Deputy Chief of Staff for Army Personnel contacted the Institute of Heraldry and requested the feasibility of creating a six star general insignia in the event that MacArthur was in fact posthumously promoted. At the same time,