Benito Mussolini was the founder and leader of the National Fascist Party in Italy, who served as the Prime Minister of Italy from 1922 to 1943. He was a central figure in the establishment of fascism, an authoritarian, ultranationalist political ideology and movement characterized by a dictatorial leader, centralized autocracy, militarism, forcible suppression of opposition, belief in a natural social hierarchy, subordination of individual interests for the good of the nation, and strong regimentation of society and the economy.