What is "sansepolcrismo"

Sansepolcrismo is a term used to refer to Italian supporters of the movement led by Benito Mussolini that preceded Fascism. The Sansepolcrismo are persons claiming to have attended the rally organized by Mussolini at Piazza San Sepolcro in Milan on March 23, 1919, where he proclaimed the principles of Fasci Italiani di Combattimento, and then published them in the newspaper he co-founded, " Il Popolo d'Italia", on June 6, 1919.