| George V|
WA, SA, NSW, VIC
| John Baird|
Monarch – King George V
Governor-General – John Baird, 1st Viscount Stonehaven
Prime Minister – Stanley Bruce
Premier of New South Wales – Jack Lang (until 18 October) then Thomas Bavin
Premier of Queensland – William McCormack
Premier of South Australia – Lionel Hill (until 8 April) then Richard Layton Butler
Premier of Tasmania – Joseph Lyons
Premier of Victoria – John Allan (until 20 May) then Edmond Hogan
Premier of Western Australia – Philip Collier
Governor of New South Wales – Sir Dudley de Chair
Governor of Queensland – Sir John Goodwin (from 13 July)
Governor of South Australia – Sir Tom Bridges (until 4 December)
Governor of Tasmania – Sir James O'Grady
Governor of Victoria – Arthur Somers-Cocks, 6th Baron Somers
Governor of Western Australia – Sir William Campion
1 February – The North Australia Act of 1926 is enforced and the territory of Central Australia is created.
8 February – A cyclone makes landfall north of Cairns, causing flooding at Halifax Bay, Ingham, Innisfail, Tully, Cardwell and Townsville. Thirty-six people are killed, and twenty are missing.
9 April – A general election is held in Victoria.
3 May – The Australasian Council of Trade Unions is formed at the All-Australian Trade Union Congress in Melbourne.
9 May – Parliament House in Canberra is officially opened by the Duke of York.
20 May – Following a swing to the ALP in the Victorian election, Edmond Hogan forms a minority Labor government with Progressive support, and takes over as Premier of Victoria from John Allan.
29 June – Charles Kingsford Smith and his copilot Charles Ulm complete a round-Australia flight in ten days, five-and-a-half hours.
27 October – Melbourne gangster Squizzy Taylor is killed in a shootout with Sydney gangsters (including Snowy Cutmore, who also dies) in Carlton.
3 November – The Sydney ferry Greycliffe is cut in half by the liner RMS Tahiti, killing 40 persons.
Professor Thomas Parnell begins the pitch drop experiment at the University of Queensland. It will go on to become the world's longest continuously-running scientific experiment.
George Washington Lambert wins the Archibald Prize
27 August – Ronald McMurdo wins the men's national marathon title, clocking 3:06:23 in Sydney. The race was not considered an official Australian championship by the national athletics federation.
17 September - The 1927 NSWRFL season culminates in South Sydney's victory over St. George in the final
24 September – Collingwood become premiers of the 1927 VFL season, defeating Richmond 2.13 (25) to 1.7 (13) in the 1927 grand final.
1 November – Trivalve wins the Melbourne Cup.
South Australia wins the Sheffield Shield
20 January – Dawn Lake, entertainer (died 2006)
21 January – Clive Churchill, rugby league player (died 1985)
20 March – Wally Grout, cricket player (died 1968)
1 April – Peter Cundall, horticulturist and television presenter
6 June – Alan Seymour, playwright
13 June – David Kirkpatrick (Slim Dusty), country and western singer (died 2003)
13 July – Ian Reed, discus thrower
14 August – Sid Patterson, cyclist (died 1999)
29 October – Frank Sedgman, tennis player
14 November – Bart Cummings, Australia's Best Racehorse Trainer (12 Melbourne Cups at the time of writing)
28 December – Ron Casey, Australian rules football administrator and media personality (died 2000)
15 March – Hector Rason, Premier of Western Australia (born 1858)
26 October – Squizzy Taylor, gangster (born 1888)
13 December – Stephen Henry Parker, Chief Justice of the Supreme Court of Western Australia (born 1846)
1927 in Australia Wikipedia
See also: 1926 in Australia, other events of 1927, 1928 in Australia and the Timeline of Australian history.