Sir Billy Mackie Snedden, was an Australian politician who served as the leader of the Liberal Party from 1972 to 1975. He was also a cabinet minister from 1964 to 1972, and Speaker of the House of Re

A spill of the leadership of the Liberal Party of Australia took place on 21 March 1975. It came about as a result of Malcolm Fraser's continued dissatisfaction with the party's direction under Billy