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 of the first presentations of the uniform to Army leadership, the Institute of Heraldry created an insignia chart with officer ranks ranging from Second lieutenant to General of the Armies of the United States. This 21st-century insignia chart, showing both a five- and six-star general officer, was considered unofficial by the Army and was later refined to show insignia only to four-star general. John J. Pershing was the only person in history to hold the rank of General of the Armies while serving on active duty. In 1919, to honor his service in World War I, Congress authorized the promotion