The 4th Division Volunteers "Littorio" was composed exclusively of volunteers from the Royal Army. Formed in 1937, was always present in Spain until April 1939. Division Commander was General Hannibal Bergonzoli, known by the nickname "Barba Elettrica", which was awarded the Gold Medal for Valor for fighting resulted in the capture of Santander August 26, 1937. He distinguished himself particularly also in the unfortunate battle of Guadalajara so that General Bergonzoli was the only one of the division commanders not to be replaced by Mussolini.