The Australia Party was a minor political party established initially in 1966 as the Liberal Reform Group. As the Australia Party they became influential, particularly in the landmark 1972 federal election when their preferences assisted the Australian Labor Party to victory – ending 23 years of Liberal/Country Coalition government. Australia Party members who later entered federal parliament as Australian Democrats senators included Colin Mason (NSW), John Siddons (Vic), Sid Spindler (Vic) and Jean Jenkins (WA).