On 23 December 1901 the new federal Parliament passed The Immigration Restriction Act 1901. The Act became the basis of the White Australia Policy, and influenced government policy regarding Aboriginal and Torres Strait Islander people as well as immigration for the next 70 years.
The federal Parliament passed The Aboriginal Land Rights (Northern Territory) Act 1976 on 9 December 1976. This law allowed Aboriginal people in the Northern Territory to claim land rights over country.
On 7 December 2017 the Parliament passed The Marriage Amendment (Definition and Religious Freedoms) Act 2017. The law redefined marriage as ‘a union of two people’ and allowed same-sex couples to be legally married in Australia.