Monarch – Elizabeth II
Governor-General – Sir William Slim
Prime Minister – Robert Menzies
Premier of New South Wales – Joseph Cahill
Premier of Queensland – Frank Nicklin
Premier of South Australia – Thomas Playford IV
Premier of Tasmania – Robert Cosgrove (until 26 August), then Eric Reece
Premier of Victoria – Henry Bolte
Premier of Western Australia – Albert Hawke
Governor of New South Wales – Sir Eric Woodward
Governor of Queensland – Sir Henry Abel Smith (from 18 March)
Governor of South Australia – Sir Robert George
Governor of Tasmania – Sir Ronald Cross, 1st Baronet (until 4 June)
Governor of Victoria – Sir Dallas Brooks
Governor of Western Australia – Sir Charles Gairdner
14 January – Qantas Airways introduces a round-the-world air service from Australia to London.
20 January – The Royal Australian Naval College is moved back to Jervis Bay Territory from Flinders Naval Depot in Victoria.
28 January to 11 February – Harold Macmillan visits Australia, the first Prime Minister of the United Kingdom to do so while in office.
14 February to 7 March – Queen Elizabeth The Queen Mother visits Australia for the second time.
21 March – John McEwen replaces Arthur Fadden as federal leader of the Country Party.
24 March – The Cahill Expressway in Sydney opens, the first true freeway in Australia.
3 April – A cyclone destroys most of the town of Bowen in Queensland.
15 April – Monash University is founded in Melbourne, Victoria.
11 May – Construction of Australia's largest man-made lake, Lake Eucumbene on the Eucumbene River in the Snowy Mountains, is completed.
31 May – Henry Bolte's Liberal government is re-elected in Victoria.
19 July – The last tram service runs in Perth.
26 August – Robert Cosgrove retires as Premier of Tasmania, and is replaced by Eric Reece.
30 September – The ANZAC Day Act 1958 receives Royal Assent, making ANZAC Day (25 April) a national public holiday in Australia.
26 October – The wreckage of the Australian National Airways Avro 10 aircraft, VH-UMF Southern Cloud, is found. The aircraft had been missing since 1931.
22 November – A federal election is held. The Liberal-Country coalition led by Robert Menzies defeats H. V. Evatt's Australian Labor Party with 74 seats to 45 in the House of Representatives, a majority unprecedented since Federation, gained from preferences from the Democratic Labor Party.
Johnny O'Keefe has his first hit with Wild One.
Radio station 2UE publishes the first Australian Top 40.
Science and technology
26 January – The HIFAR nuclear reactor at Lucas Heights goes critical for the first time.
Australian engineer Dr. David Warren of Melbourne's Aeronautical Research Laboratories constructs the world's first flight recorder ("black box").
Arts and literature
11 December – The National Institute of Dramatic Art (NIDA) opens in Sydney.
William Edwin Pidgeon wins the Archibald Prize with his portrait of journalist Ray Walker
Eric Smith wins the Blake Prize for Religious Art with his work The Moment Christ Died
Randolph Stow wins the Miles Franklin Award for To the Islands
Russel Ward releases The Australian Legend
8 March - The film Bridge on the River Kwai was released in Sydney.
October - Autumn Affair, first television soap opera produced in Australia debuts
1 November – The first episode of Bandstand goes to air on TCN-9, hosted by Brian Henderson.
22 November – The Australian federal election, 1958 is the first to be televised.
Athletics
23 March – John Russell wins his second men's national marathon title, clocking 2:40:30 in Sydney
6 August – Herb Elliott sets a world record for the one-mile dash (3:54.5) at Morton Stadium in Dublin, Ireland.
Cricket
New South Wales wins the Sheffield Shield
Football
Brisbane Rugby League premiership: Brothers defeated Valleys 22-7
New South Wales Rugby League premiership: St. George defeated Western Suburbs 20-9
South Australian National Football League premiership: won by Port Adelaide
Victorian Football League premiership: Collingwood defeated Melbourne 82-64
Golf
Australian Open: won by Gary Player
Horse Racing
Sir Blink wins the Caulfield Cup
Yeman wins the Cox Plate
Skyline wins the Golden Slipper
Baystone wins the Melbourne Cup
Motor Racing
The Australian Grand Prix was held at Bathurst and won by Lex Davison driving a Ferrari
Tennis
Australian Open men's singles: Ashley Cooper defeats Malcolm Anderson 7-5 6-3 6-4
Australian Open women's singles: Angela Mortimer defeats Lorraine Coghlan 6-3 6-4
Davis Cup: Australia is defeated by the United States 3-2 in the 1958 Davis Cup final
Yachting
Solo takes line honours and Siandra wins on handicap in the Sydney to Hobart Yacht Race
6 February – Simon Baker, race walker
20 March – Phil Anderson, cyclist
12 April – Glenn Patching, swimmer
5 May – Robert DiPierdomenico, footballer and media personality
7 May – Alan John, composer
11 May – Peter Antonie, rower
11 May – Phil Smyth, basketball player
3 July – Gary Buckenara, Australian Rules footballer
6 July – Gary Humphries, politician
13 July – Richard Glover, journalist, author and radio personality
15 July –Phil Gould, rugby league identity
October - Garry Pankhurst, former child actor
13 October – Jim Krakouer, Australian Rules footballer
15 November - Lewis Fitz-Gerald, actor and director
12 December – Monica Attard, journalist
31 December – Geoff Marsh, cricketer
24 January – William Roy Hodgson (born 1892), public servant
8 April – Ethel Turner (born 1872), writer
13 September – Russell Mockridge (born 1928), cyclist
14 October – Douglas Mawson (born 1882), polar explorer
30 November – Hubert Wilkins (born 1888), polar explorer
1958 in Australia Wikipedia (Text) CC BY-SA