Electoral history of Brian Mulroney he ended in third place on the fourth ballot, behind Joe Clark, who won the leadership, and Claude Wagner, who came in second. 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. Electoral history of Brian Mulroney This article is the Electoral history of Brian Mulroney, the eighteenth Prime Minister of Canada. A conservative, he served one term as Prime Minister (1984-1993). He led the Progressive Conservative Party of Canada in
Brian Mulroney he became prime minister in June 1979. By late 1982, Joe Clark's leadership of the Progressive Conservatives was being questioned in many party circles and among many Tory members of Parliament, despite his solid national lead over Prime Minister Pierre Trudeau in opinion polls, which stretched to 19 percent in summer 1982. Mulroney, while publicly endorsing Clark at a press conference in 1982, organized behind the scenes to defeat him at the party's leadership review. Clark's key Quebec organizer Rodrigue Pageau was in fact a double agent, working for Mulroney, undermining Clark's support. When Clark received an endorsement by only