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 Operation Avalanche–the main invasion at Salerno by the American Fifth Army under Lieutenant General Mark Clark–began on 9 September 1943, and in order to secure surprise, it was decided to assault without preliminary naval or aerial bombardment. However, as Admiral Henry Hewitt, the amphibious force commander, had predicted, tactical surprise was not achieved. As the first wave of Major General Fred Walker's U.S. 36th Infantry Division approached the Paestum shore at 03:30 a loudspeaker from the landing area proclaimed in English: ""Come on in and give up. We have you covered."" The Allied troops attacked nonetheless. Major General Rudolf Sieckenius,