Military history of Australia The New South Wales Corps subsequently was involved in putting down a rebellion of Irish convicts at Castle Hill in 1804. Soon however shortcomings in the corps convinced the War Office of the need for a more reliable garrison in New South Wales and Van Diemen's Land. Chief of these shortcomings was the Rum Rebellion, a coup mounted by its officers in 1808. As a result, in January 1810 the 73rd (Perthshire) Regiment of Foot arrived in Australia. By 1870, 25 British infantry regiments had served in Australia, as had a small number of artillery and engineer units. Although the
Commander-in-Chief of the Canadian Armed Forces patent issued in 1947 by King George VI referred to the "Office of Governor General and Commander-in-Chief in and over Canada". In 1968, following the unification of the Royal Canadian Navy, the Canadian Army, and the Royal Canadian Air Force, the commander-in-chief became the most senior officer of the Canadian Armed Forces. As all executive power is legally reposed in the Canadian sovereign, the role of commander-in-chief is the only constitutional means by which decisions are made over the deployment and disposition of the Canadian Armed Forces. Under the Westminster system's conventions of responsible government, the Cabinet—which advises the sovereign