World War II began on 3 September 1939 and on 10 June 1940, Italy declared war on the Allies and by September had invaded France, British Somaliland and Egypt; preparations had also begun to occupy Greece.
World War II began on 3 September 1939 and on 10 June 1940. This was what Italy declared war on the Allies. World War II began on 3 September 1939. June 1940, Italy by September had invaded France, British Somaliland and Egypt. This was on 10. Preparations had also begun to occupy Greece.