When Robert Stanfield announced his resignation as party leader in 1976, Mulroney was one of a crowded field of candidates in the leadership convention. Although he came in second on the first ballot, he ended in third place on the fourth ballot, behind Joe Clark, who won the leadership, and Claude Wagner, who came in second. 1 Rounding error. 1983 Leadership Convention Following a leadership review at the 1983 Progressive Conservative convention, Clark triggered a leadership convention, in which he stood for re-election. Mulroney again entered the leadership race. This time, he defeated Clark and succeeded him as party leader. 1 Rounding error. See also Electoral history of John Turner - Mulroney's predecessor as Prime Minister. Electoral history of Joe Clark - Mulroney's predecessor as leader of the Progressive Conservative Party. Electoral history of Kim Campbell - Mulroney's successor as leader of the Progressive Conservative Party and as Prime Minister. References External links Library of Parliament: History of Federal Ridings since 1867 CPAC – 1976 Progressive Conservative Leadership Convention CPAC – 1983 Progressive Conservative Leadership Convention Mulroney, Brian