High Quality Content by WIKIPEDIA articles! The Armistice with Italy was an armistice signed on September 3 and publicly declared on September 8, 1943, during World War II, between Italy and the Allied armed forces, who were then occupying the southern end of the country, entailing the capitulation of Italy. It is also referred to in Italy as the Armistizio di Cassibile (from the place in which it was signed) or the Armistizio dell`8 Settembre (more simply 8 Settembre).