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).
Operation Flagpole (World War II) force supported it. As a result of the meetings, Clark secured the agreement of the French. On October 24, Clark's mission returned to "Seraph" after some inadvertent delays, and later met a seaplane that flew them back to Gibraltar, arriving back in London on October 25. Operation Flagpole was followed by Operation Kingpin, in which Général Giraud, code-named "Kingpin", was released from French "Zone libre" confinement and brought to Gibraltar . Operation Flagpole (World War II) Operation Flagpole was part of the run-up to Operation Torch, the planned Allied invasion of North Africa during World War II. It involved arranging