Josh Winter By Grade5P Apr 1, 1851 Diggers come to the gold fields. Diggers came to Australia to dig around the said time. Jul 1, 1851 First big piece of gold discovered in Australia - Warrandyte The first big piece of gold was found by Edward Hargraves, it was the first big piece found in Australia. Jul 31, 1853 Gold Licences Come Into Use Gold Licences came into use. This made the miners unhappy. :(