The Great Dictator a ruthless fascist dictator and a persecuted Jewish barber. "The Great Dictator" was popular with audiences, becoming Chaplin's most commercially successful film. Modern critics have also praised it as a historically significant film and an important work of satire, and in 1997, it was selected by the Library of Congress for preservation in the United States National Film Registry as being "culturally, historically or aesthetically significant". "The Great Dictator" was nominated for five Academy Awards – Outstanding Production, Best Actor, Best Writing (Original Screenplay), Best Supporting Actor for Jack Oakie, and Best Music (Original Score). In his 1964 autobiography, Chaplin
Roman dictator expected to resign, and when the dictator laid down his "imperium", so would the magister equitum. In theory, the magister equitum was commander of the cavalry, but he was not limited to that role. The dictator and magister equitum did not always take the field together; in some instances the magister equitum was assigned the defense of the city while the dictator took an army into the field, while on other occasions the dictator remained at Rome to see to some important duty, and entrusted the magister equitum with an army in the field. The magister equitum was necessarily subordinate