1927 in Australia

Incumbents

Parliament House Opening, 1927

1 February - The North Australia Act of 1926 is enforced and the territory of Central Australia is created.
February 8 – 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.
April 9 – A general election is held in Victoria.
May 3 – The Australasian Council of Trade Unions is formed at the All-Australian Trade Union Congress in Melbourne.
May 9 – Parliament House in Canberra is officially opened by the Duke of York.
May 20 – 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.
June 29 – Charles Kingsford Smith and his copilot Charles Ulm complete a round-Australia flight in ten days, five-and-a-half hours.
October 27 – Melbourne gangster Squizzy Taylor is killed in a shootout with Sydney gangsters (including Snowy Cutmore, who also dies) in Carlton.
November 3 – The Sydney ferry Greycliffe is cut in half by the liner 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.

August 27 – 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.
September 24 – Collingwood become premiers of the 1927 VFL season, defeating Richmond 2.13 (25) to 1.7 (13) in the 1927 grand final.
November 1 – Trivalve wins the Melbourne Cup.
South Australia wins the Sheffield Shield

January 20 - Dawn Lake, entertainer (d. 2006)
January 21 - Clive Churchill, rugby league player (d. 1985)
March 20 - Wally Grout, cricket player (d. 1968)
June 6 - Alan Seymour, playwright
June 13 - David Kirkpatrick (Slim Dusty), country and western singer (d. 2003)
July 13 - Ian Reed, discus thrower
August 14 - Sid Patterson, cyclist (d. 1999)
October 29 - Frank Sedgman, tennis player
November 14 - Bart Cummings, racehorse trainer
December 28 - Ron Casey, Australian rules football administrator and media personality (d. 2000)

March 15 - Hector Rason, Premier of Western Australia (b. 1858)
October 26 - Squizzy Taylor, gangster (b. 1888)
December 13 - Stephen Henry Parker, Chief Justice of the Supreme Court of Western Australia (b. 1846)