New South Wales experienced the first gold rush in Australia, a period generally accepted to lie between 1851 and 1880. This period in the history of New South Wales resulted in a rapid growth in the population and significant boost to the economy of the colony of New South Wales. The California Gold Rush three years prior signaled the impacts on society that gold fever would produce, both positive and negative. The New South Wales colonial government concealed the early discoveries, but various factors changed the policy.