It's often said that Australia is the most successful multicultural country on Earth. Thirty per cent of Australians were born overseas and since the arrival of the first Europeans, the country has taken in an estimated 10 million migrants. But we didn't get here by accident. Australia's history is filled with attempts to shape and reshape policies and attitudes towards cultural diversity and immigration – being both welcoming and unwelcoming to those beyond our shores. White Australia to multiculturalism The White Australia Policy, formally the Immigration Restriction Act, was introduced in 1901 as a response to anxieties over Chinese arrivals...