Yukon—Mackenzie River Yukon—Mackenzie River Yukon—Mackenzie River was a federal electoral district in Canada that was represented in the House of Commons of Canada from 1949 to 1953. It covered the Yukon Territory, and the southwestern part of the Northwest Territories. This riding was created in 1947, and was only used in the 1949 federal election. The Northwest Territories had not been represented in the House of Commons since 1905 following the creation of Alberta and Saskatchewan two years earlier. Yukon had been represented continuously since a byelection in January 1903. It was abolished in 1952 when it was redistributed into Mackenzie River
Geography of Northwest Territories by the Hudson's Bay Company to the new Canadian confederation in 1870. Some of those lands were added to the provinces of Ontario and Quebec. Then the province of Manitoba was formed from them in 1870, and Alberta and Saskatchewan in 1905, all south of 60° North. In 1898, the Yukon Territory was separated. The boundaries of the Northwest Territories were set in 1912 and stayed fixed until Nunavut was created in 1999. From 1920 until 1999 the Territories were divided into three districts: Franklin, Keewatin and Mackenzie. Ever since the 1982 patriation of the Canadian Constitution, several land claims