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 a five-star general position and named this new rank "General of the Army", which was a title that had not been used since the 1880s after the Civil War. Unlike the Civil War version, this new rank was clearly a five-star position, whereas the old version was considered a four-star rank; the five-star rank was also intended to be held by more than one person rather than a single supreme rank for the head of the U.S. Army. Pershing was still living during World War II, although he was over eighty years old. Nevertheless, the question was immediately raised by