 Part of the Kingdom of Italy from 1866, Manzano was the site where during World War I, from 29 July 1917, the first Arditi units of the Royal Italian Army were formed and trained.The event is still celebrated on the last Sunday in July.Rosazzo Abbey was heavily damaged by the 1976 Friuli earthquake, but restored under the auspices of the Udine archbishop Alfredo Battisti.