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11
harbour bridge opening
it stared in 1922 and opened in 1932 -
dutch explorer
Dutch explorer Willem Janszoon was the first to explorer Australia. -
cobb and co commences
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GOLD RUSH
Between 1851 and 1871 the Australia population tredble from 430 000 people to 1.7 million as migrant from Britain China America across the word in the word in search of gold rush
