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La Perouse enters Botany Bay and his chaplain, Abbe Mones, celebrates the first
Mass within Australian territory -
First Irish convicts transported to Botany Bay
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Catholic settlers in Parramatta petition Governor Phillip for a chaplain
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Fr Jeremiah Flynn, a Catholic minister, is arrested and deported after ignoring Governor Macquarie's instructions to not perform priestly functions, despite protests from Catholics and Protestant leaders.
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Father Therry founds the first Catholic school on Hunter Street, Parramatta
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Penal laws preventing Catholics holding Government positions ends
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The Australasian Chronicle, a weekly Catholic newspaper, is launched with former schoolteacher William as founding editor, advocating for the rights of small farmers, working men, and the dispossessed.
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Mary MacKillop and Fr Julian Tenison Woods established the Sisters of St. Joseph, while Daniel Murphy appointed him as the second Archbishop of Hobart.
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St Mary's Cathedral is dedicated by Archbishop Vaughan, but its completion is still a long way off, with only the northern section opening and the nave still unfinished.
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Catholic Press prints and distributes its first issue
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World War I, Catholic influence in Australian Labor Party, St Patrick's College's Silver Jubilee, and land subdivision for college maintenance.
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Sydney Catholic-owned commercial radio station 2SM, with its call sign derived from St Mark's church, not St Mary's Cathedral, begins operations.
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Catholic Weekly prints its first issue
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Post World War II with the upsurge in births, Catholic schools are under pressure and overwhelmed by demand
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More than half, or 52%, of teachers in Archdiocese schools are now lay people
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Restoration of St Mary’s Cathedral begins.
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Pope Benedict XVI visited Australia for World Youth Day 2008, leading to the creation of Xt3, the fastest-growing Catholic website globally for young people.
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Pope Francis appoints George Cardinal Pell as Prefect of the new Secretariat for the Economy, while Anthony Fisher is appointed as the ninth Archbishop of Sydney.