Earliest Migration
Human migration to the Australian continent was first achieved during the closing stages of the Pleistocene epoch, when sea levels were typically much lower than they are today. It is theorised that these ancestral peoples arrived via the nearest islands of the Malay Archipelago, crossing over the intervening straits (which were then narrower) to reach the single landmass which then existed. Known as Sahul, this landmass connected Australia with New Guinea via a land bridge which emerged when prevailing glacial conditions lowered sea levels by some 100–150 metres. Australia's coastline also extended much further out into the Timor Sea than at present, affording another possible route by which these first peoples reached the continent. Estimates of the timing of these migrations vary considerably: the most widely-accepted conservative evidential view places this somewhere between 40,000 to 45,000 years ago, with earlier cited (but not universally accepted) dates of up to 60,000 years or more also proposed; the debate continues within the academic community.
Read more about this topic: Immigration To Australia
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