At this moment , Italy , under Benito Mussolini , declared war on the Allies on June 10 , thinking that the war was almost over .
He managed only to occupy a few hundred yards of French territory .
At this moment , Italy , under Benito Mussolini , declared war on the Allies on June 10 , thinking that the war was almost over , but he managed only to occupy a few hundred yards of French territory .