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
British Arctic Territories the Province of Manitoba and the new Northwest Territories, which originally included northern Ontario, the rest of Manitoba, all of Saskatchewan and part of Alberta, and what is now Nunavut territory, with the name Northwest Territories retained by the successor government in the region flanked by the Mackenzie River drainage to the north of Alberta. The North-Western Territory was to its northwest, and included parts of British Columbia north of the Stikine Territory and including all of today's Yukon territory, and parts of Alberta not in the Hudson Bay drainage, as well as today's Northwest Territories. Flags of the World