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 the Army, past or present". The legislation implicitly clarified the relationship of Washington's rank to Pershing's. Public Law 94-479, which codified the rank of General of the Armies of the United States, did not create a separate rank from Pershing's but rather simply clarified that, while Washington and Pershing held the same rank, Washington was to be considered senior although having obtained the rank at a later date. General of the Army Douglas MacArthur was considered for appointment to the rank of General of the Armies both during and after World War II, but a formal promotion order for his