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
Operation Sledgehammer year. Operation Sledgehammer Operation Sledgehammer was a World War II Allied plan for a cross-Channel invasion of Europe, as the first step in helping to reduce pressure on the Soviet Red Army by establishing a Second Front, developed as a contingency alternative to Operation Roundup, the original Allied plan for the invasion of Europe in 1943. Allied forces were to seize the French Atlantic ports of either Brest or Cherbourg and areas of the Cotentin Peninsula during the early autumn of 1942, and amass troops for a breakout in the spring of 1943. The operation was eagerly pressed for by