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
Christianity in Australia like UnitingCare Australia and the Salvation Army, and around a quarter of students attend church owned schools. Historically significant Australian Christians have included the Reverend John Dunmore Lang, Saint Mary MacKillop, Catherine Helen Spence, Pastor David Unaipon, the Reverend John Flynn, Pastor Sir Doug Nicholls and General Eva Evelyn Burrows of the Salvation Army. High-profile contemporary Australian Christians include Tim Costello, Baptist minister and current CEO of World Vision Australia; Frank Brennan, Jesuit human rights lawyer; Cardinal George Pell, the Vatican's Prefect of the Secretariat for the Economy; Phillip Aspinall the current Archbishop of Brisbane, Philip Freier the current Anglican