The Battle of Anzio, also known as Frontline of Anzio and Nettuno, took place on January 22, 1944, with the Allied amphibious landing known as Operation Shingle in the Italian Campaign against German (and several Italian R.S.I.) forces in the area of Anzio and Nettuno (at the time joined in a single comune: Nettunia, Italy). The operation was commanded by American Major General John P.