Operation Avalanche Operation Avalanche Operation Avalanche was the codename for the Allied landings near the port of Salerno, executed on 9 September 1943, part of the Allied invasion of Italy. The Italians withdrew from the war the day before the invasion, but the Allies landed in an area defended by German troops. Planned under the name "Top Hat", it was supported by the deception plan Operation Boardman. The landings were carried out by the US Fifth Army, under American General Mark W. Clark. It comprised the U.S. VI Corps, the British X Corps and the US 82nd Airborne Division, a total of
World War II by country the French–Thai War. The December 1941 Japanese invasion of Thailand brought five hours of war after which Phibun surrendered and acquiesced, making the country a stepping-stone to open the Burma Campaign. Japanese victory in the Malayan Campaign made the Premier more enthusiastic about co-operation, and on 21 December, a formal "alliance" was concluded. On 25 January 1942, Thailand declared war on the United States and the United Kingdom. Some Thais disapproved, and formed the Free Thai Movement to resist. Eventually, when the war turned against the Japanese, Phibun was forced to resign, and Thailand renounced its alliance with Japan. The