A merger with the NDP may be the only option For much of Canadian history, the Liberals have been the dominant party in federal politics. The period from 1896, when Wilfrid Laurier first won office as Prime Minister, to 2006 might be called Canada’s long Liberal century. During these 110 years, the Liberals were in office over 70 per cent of the time. Thirty-two general elections saw twice as many Liberal as Conservative victories. The Liberals were truly the “Government Party.”Subscribe or Log In to read more.