<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The history of Australia refers to the history of the area and people of the Commonwealth of Australia and its preceding Indigenous and colonial societies . Aboriginal Australians are believed to have first arrived on the Australian mainland by sea from Maritime Southeast Asia between 40,000 and 70,000 years ago . The artistic, musical and spiritual traditions they established are among the longest surviving such traditions in human history . </P> <P> The first known landing in Australia by Europeans was by Dutch navigator Willem Janszoon in 1606 . Twenty - nine other Dutch navigators explored the western and southern coasts in the 17th century, and dubbed the continent New Holland . Macassan trepangers visited Australia's northern coasts after 1720, possibly earlier . Other European explorers followed until, in 1770, Lieutenant James Cook charted the east coast of Australia for Great Britain and returned with accounts favouring colonisation at Botany Bay (now in Sydney), New South Wales . </P> <P> A First Fleet of British ships arrived at Botany Bay in January 1788 to establish a penal colony . In the century that followed, the British established other colonies on the continent, and European explorers ventured into its interior . Indigenous Australians were greatly weakened and their numbers diminished by introduced diseases and conflict with the colonists during this period . </P>

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