Military history of Canada during World War II the Allied invasions of Sicily and mainland Italy, then fought through the long Italian Campaign. During the course of the Allied campaign in Italy, over 25,000 Canadian soldiers became casualties of war. The 1st Canadian Division and the 1st Canadian Armoured Brigade took part in the Allied invasion of Sicily in Operation "Husky", 10 July 1943 and also Operation "Baytown", part of the Allied invasion of Italy on 3 September 1943. Canadian participation in the Sicily and Italy campaigns were made possible after the government decided to break up the First Canadian Army, sitting idle in Britain. Public pressure for
Allied invasion of Italy 8 September. With such short notice to create plans, Operation Slapstick was soon nicknamed Operation Bedlam. The Avalanche plan using less than half the troops landed during Operation Husky was daring, considering possible resistance by six German divisions. The Fifth Army would be landing on a very broad front, using only three assault divisions (one American, the 36th, under Major General Fred L. Walker, in VI Corps, and two British, the 46th, under Major-General John Hawkesworth, and 56th, under Major-General Douglas Graham, in X Corps), and the two corps were widely separated, both in distance () and by the Sele