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   La Perouse enters Botany Bay a his chaplain, Abbe Mones, celebrates the first La Perouse enters Botany Bay a his chaplain, Abbe Mones, celebrates the first
 Mass within Australian territory
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   Many of the Irish convicts were Catholic, and they brought their faith with them to a land where the Church of England (Anglican Church) was the official religion of the British colonies. Many of the Irish convicts were Catholic, and they brought their faith with them to a land where the Church of England (Anglican Church) was the official religion of the British colonies.
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   Father James Dixon, a convict priest, is granted permission to celebrate Australia's first official Catholic Mass. Father James Dixon, a convict priest, is granted permission to celebrate Australia's first official Catholic Mass.
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   Fathers John Joseph Therry and Philip Connolly arrived in New South Wales as the first authorized Catholic priests, beginning organized Catholic ministry in Australia. Fathers John Joseph Therry and Philip Connolly arrived in New South Wales as the first authorized Catholic priests, beginning organized Catholic ministry in Australia.
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   The first Catholic religious sisters, the Sisters of Charity, arrive in Australia, establishing Catholic education and healthcare. The first Catholic religious sisters, the Sisters of Charity, arrive in Australia, establishing Catholic education and healthcare.
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   The Catholic Diocese of Sydney is established, with Bishop John Bede Polding appointed as Australia’s first Catholic bishop. The Catholic Diocese of Sydney is established, with Bishop John Bede Polding appointed as Australia’s first Catholic bishop.
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   Founded by the Sisters of Charity, St. Vincent’s became one of Australia’s first Catholic hospitals, expanding the Church’s role in healthcare Founded by the Sisters of Charity, St. Vincent’s became one of Australia’s first Catholic hospitals, expanding the Church’s role in healthcare
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   Australian colonies implement secular education policies, prompting the Catholic Church to establish its own network of schools to maintain Catholic education. Australian colonies implement secular education policies, prompting the Catholic Church to establish its own network of schools to maintain Catholic education.
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   The Australian bishops meet at the first national council, organizing a unified approach to addressing issues facing the Church. The Australian bishops meet at the first national council, organizing a unified approach to addressing issues facing the Church.
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   The Catholic Church, led by figures like Archbishop Daniel Mannix, opposed conscription during World War I, leading to tensions with the government. The Catholic Church, led by figures like Archbishop Daniel Mannix, opposed conscription during World War I, leading to tensions with the government.
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   Michael Kelly becomes the first Australian-born Archbishop of Sydney, symbolizing a maturing of the Australian Catholic Church Michael Kelly becomes the first Australian-born Archbishop of Sydney, symbolizing a maturing of the Australian Catholic Church
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   Tensions over communism and Catholic influence in politics lead to the split in the Australian Labor Party, forming the Democratic Labor Party, with strong Catholic backing. Tensions over communism and Catholic influence in politics lead to the split in the Australian Labor Party, forming the Democratic Labor Party, with strong Catholic backing.
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   Focusing on social issues and advocating for the marginalised. Focusing on social issues and advocating for the marginalised.
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   Bishop O'Kelly’s work inspired many Catholics to take action on social issues and highlighted the Church’s role in supporting the common good. Bishop O'Kelly’s work inspired many Catholics to take action on social issues and highlighted the Church’s role in supporting the common good.
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   He later became a key figure in addressing child protection and reform within the Church. He later became a key figure in addressing child protection and reform within the Church.
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   This enhanced support for Catholic schools across Australia. This enhanced support for Catholic schools across Australia.
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   This was led by Cardinal George Pell, emphasising the Church’s commitment to youth and global community. This was led by Cardinal George Pell, emphasising the Church’s commitment to youth and global community.
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   Barry Hickey promotes dialogue between different faiths, reflecting a broader ecumenical approach. Barry Hickey promotes dialogue between different faiths, reflecting a broader ecumenical approach.
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   Cardinal George Pell is appointed to the Vatican’s Secretariat for the Economy, marking a significant Australian presence in the global Church. Cardinal George Pell is appointed to the Vatican’s Secretariat for the Economy, marking a significant Australian presence in the global Church.