The first Canadian Federal election took place in 1867 resulting in a victory for Sir John A. Macdonald's Conservatives. Traditionally the Canadian Parliament could sit up to 5 years as long as the governing party could maintain the confidence of the house. In recent years in some Provincial Legislatures and the Federal Government have passed legislation which has mandated set terms for a government, but these terms can always be changed by a simple act of the legislature or if a minority government falls. The two main parties which have dominated the Federal Government have been the Liberals and a version of the Conservatives. Other parties have come and gone with only the CCF/NDP lasting any length of time.