Religion in Australia during World War I and against British policy in Ireland; the Reverend John Flynn – founder of the Royal Flying Doctor Service, currently featured on the Australian $20 note; and Sir Douglas Nicholls – Aboriginal rights activist, athlete, pastor and former Governor of South Australia. Sectarianism in Australia tended to reflect the political inheritance of Britain and Ireland. Until 1945, the vast majority of Catholics in Australia were of Irish descent, causing the British majority to question their loyalty to the British Empire. The first Catholic priests arrived in Australia as convicts in 1800, but the Castle Hill Rebellion of
History of Australia (1901–45) two-thirds of all Australian exports," a dangerous reliance on just two export commodities. Australia embraced the new technologies of transport and communication. Coastal sailing ships were finally abandoned in favour of steam, and improvements in rail and motor transport heralded dramatic changes in work and leisure. In 1918 there were 50,000 cars and lorries in the whole of Australia. By 1929 there were 500,000. The stage coach company Cobb and Co, established in 1853, finally closed in 1924. In 1920, the Queensland and Northern Territory Aerial Service (to become the Australian airline Qantas) was established. The Reverend John Flynn, founded