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When the first European settlers arrived in 1788 the Aborigines were the sole occupants of Australia. A hundred years later Aborigines no longer held much of the continent, and many Aboriginal groups were struggling for survival.Almost everywhere white settlement had proved overpowering.hen the first European settlers arrived in 1788 the Aborigines were the sole occupants of Australia. A hundred years later Aborigines no longer held much of the continent, and many Aboriginal groups were struggling for survival.
The immigration history of Australia began with the initial human migration to the continent around 50,000 years ago when the ancestors of Australian Aborigines arrived on the continent via the islands of Maritime Southeast Asia and New Guinea.