1904 The Australian Labor Party becomes the first such party to gain national government, under Chris Watson.
1916 Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.
1972 Gough Whitlam becomes the first Labor Prime Minister of Australia for 23 years.
2006 Mike Rann secures the first Labor majority government in South Australia since 1985 by winning the state election.
2007 Australians elect the centre-left Australian Labor Party at a federal election; the outgoing prime minister, John Howard, becomes the first since 1929 to lose his own seat.