The Great Dictator [he] was terrified, not knowing what to expect next." The Margaret Herrick Library of the Academy of Motion Picture Arts and Sciences, in Beverly Hills, California, has a copy of "The Great Dictator" script. The library permits viewers of the script to read it and take notes, but prohibits photocopying of it. In 1997, "The Great Dictator" was selected by the Library of Congress for preservation in the United States National Film Registry as being "culturally, historically or aesthetically significant". In 2000, the American Film Institute ranked the film No. 37 in its "100 Years... 100 Laughs" list. The film
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