4 January - Australia's highest daily rainfall, 1,140 mm., is recorded at Bellenden Ker station, Queensland.
9 January - Deputy Prime Minister Doug Anthony signs a pact to allow uranium mining to begin at the Ranger Uranium Mine in the Northern Territory. The pact gives the authority to develop the 100,000 tonne deposit to the Australia Atomic Energy Commission, Peko Wallsend and the Electrolytic Zinc Company for a period of 21 years.
9 February - Associated Securities Limited, Australia's fourth-largest finance company, is placed into receivership. In a statement to the stock exchange, ASL directors state that the results for the six months to 31 December had shown a loss of $2.5 million, plus an extraordinary loss of $1 million from foreign exchange movements.
12 February - Harry M. Miller's Computicket theatre and sporting booking agency collapses.
9 March - The Arbitration Commission awards Australian women the right to six weeks' compulsory unpaid maternity leave with the option of extending the leave to one year. The provisions, which will flow to all awards covering women in the private sector, will take effect on 2 April.
25 May - James William Miller, aged 39, is charged with the murders of four young women (the Truro murders 100 kilometres north-east of Adelaide. A fifth body has been found and police are searching for two more bodies, bringing the number of victims to a total of seven. Miller is charged with murdering Veronica Knight, 18, Sylvia Michelle Pittmann, 16, Vicki May Mowell, 26, and Connie Iordanides, 16.
A fire at Luna Park Sydney kills 7. Four young boys, a father and his two young sons die when the fire, believed to be caused by an electrical fault, engulf the ride. The park is forced to close.
Australia's first modern uranium mine opens at Nabarlek in Arnhem Land. A $25,000 party is held to celebrate the launch of the mine, which is also the first to open on Aboriginal tribal land.
21 June - Up to a million workers stop work across the country to protest the arrest of unionists in Western Australia for addressing a public meeting without police permission. Public transport, industry and commercial services are thrown into disarray.
23 June - New South Wales Premier Neville Wran opens the Eastern Suburbs six-station railway line which runs from Sydney city to Bondi Junction. The railway line has been a source of continuing controversy since work on it began. In 1976, Neville Wran referred to the project as probably "the most monumental financial scandal" in the state's history.
22 September - The standing conference of Canonical Orthodox churches in Australia is established.
26 September - New South Wales Attorney-General Frank Walker tables the 960-page Finnane Report in State Parliament. The New South Wales Government gags Opposition calls for a debate report only 30 minutes after it is tabled.
Australia announces the abolition of traditional trade preferences with Britain.
Ian Sinclair resigns as Federal Primary Industry Minister following allegations that he forged his father's signature on his family's annual returns. According to the Finnane Report tabled in State Parliament, Ian Sinclair was dishonest in arranging loans from a group of companies of which he was "de facto managing director" to the family pastoral company. Mr. Sinclair had denied the allegations the day before.
20 October - Prime Minister Malcolm Fraser proclaims the first section of the Great Barrier Reef (the Capricornia section) a national park, making it the third Australian national park to be declared this year. Malcolm Fraser also announces the allocation of $300,000 to research projects to be set up in the region to increase the Federal Government's knowledge of this area.
5 November - The first New South Wales Lotto draw takes place. No-one chose the six winning numbers in the draw, so only half of the first prize - $193,576- will be divided among the five members of the In the Money syndicate.
28 April – Collingwood beat a sixty-year-old record for the greatest VFL winning margin when they demoralise St Kilda by 178 points, beating South Melbourne’s 171-point margin also against St Kilda, from 1919.
28 July – Fitzroy set a still-standing record winning margin when they beat Melbourne by 190 points at VFL Park. Their score of 36.22 (238) was a record until 1992.