"The Doctrine of Fascism" ("La dottrina del fascismo", 1932) by the actualist philosopher Giovanni Gentile is the official formulation of Italian Fascism, published under Benito Mussolini's name in 1933. Gentile was intellectually influenced by Hegel, Plato, Benedetto Croce and Giambattista Vico, thus his actual idealism philosophy was the basis for Fascism. Hence, the "Doctrine"s "Weltanschauung" proposes the world as action in the realm of humanity – beyond the quotidian constrictions of contemporary political trend, by rejecting "perpetual peace" as fantastical and accepting Man as a species continually at war; those who meet the challenge, achieve nobility. To wit, actual idealism generally accepted that conquerors were the men of historical consequence, e.g. the Roman Julius Caesar, the Greek Alexander the Great, the Frank Charlemagne and the French Napoleon. The philosopher–intellectual Gentile was especially inspired by the Roman Empire (27 BC – AD 476, 1453), from whence derives Fascism: