Allied invasion of Italy Allied invasion of Italy The Allied invasion of Italy was the Allied amphibious landing on mainland Italy that took place on 3 September 1943 during the early stages of the Italian Campaign of World War II. The operation was undertaken by General Sir Harold Alexander's 15th Army Group (comprising General Mark W. Clark's Fifth Army and General Bernard Montgomery's British Eighth Army) and followed the successful invasion of Sicily. The main invasion force landed around Salerno on 9 September on the western coast in Operation Avalanche, while two supporting operations took place in Calabria (Operation Baytown) and Taranto (Operation Slapstick).
Proposed Japanese invasion of Australia during World War II of requisitioned merchant shipping. This invasion force would have been larger than the entire force used to conquer South-East Asia. The Army also rejected the Navy's proposal of limiting an invasion of Australia to securing enclaves in the north of the country as being unrealistic given the likely Allied counter-offensives against these positions. Due to its experience in China the Army believed that any invasion of Australia would have to involve an attempt to conquer the entire Australian continent, something which was beyond Japan's abilities. The possibility of invading Australia was discussed by the Japanese Army and Navy on several