The attack would later be attributed to Salvatore Giuliano , the Sicilian bandit and separatist leader .
May 1 -- At the labour parade in Portella della Ginestra , Sicily , 11 people are killed and over thirty are wounded .
The attack would later be attributed to Salvatore Giuliano , the Sicily bandit and separatist leader .
May 1 -- At the labour parade in Portella della Ginestra , Sicily , 11 people are killed and over thirty are wounded .