Benito Amilcare Andrea Mussolini 29 July 1883 – 28 April 1945) was an Italian politician, journalist, and leader of the National Fascist Party (Partito Nazionale Fascista; PNF), ruling the country as Prime Minister from 1922 to 1943. He ruled constitutionally until 1925, when he dropped all pretense of democracy and set up a legal dictatorship. Known as Il Duce (The Leader), Mussolini was the founder of Italian Fascism.