 From 1919 to 1920 Italy was shocked by a period of intense social conflict following the First World War; this period was named "Biennio Rosso" (Red Biennium).The revolutionary period was followed by the violent reaction of the Fascist blackshirts militia and eventually by the March on Rome of Benito Mussolini in 1922.The Biennio Rosso took place in a context of economic crisis at the end of the war, with high unemployment and political instability.