Allied invasion of Italy of historian Carlo D'Este, Clark "mistakenly believed he had saved the Allied invasion by his leadership, when in fact it was precisely his inexperience that precipitated most of the problems the invasion force faced." 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
Operation Downfall Operation Downfall Operation Downfall was the proposed Allied plan for the invasion of Japan near the end of World War II. The planned operation was cancelled when Japan surrendered following the atomic bombings of Hiroshima and Nagasaki, the Soviet declaration of war, and the Soviet invasion of Manchuria. The operation had two parts: Operation Olympic and Operation Coronet. Set to begin in November 1945, Operation Olympic was intended to capture the southern third of the southernmost main Japanese island, Kyūshū, with the recently captured island of Okinawa to be used as a staging area. Later, in the spring of 1946,