History of Northwest Territories capital cities 18, 1967, after the Carrothers commission chose it for its central location, transportation links, industrial base and residents' preferences. Yellowknife, in 1967, was not yet ready to serve as home for the government. During the years that it took for the capital's infrastructure to slowly develop, most of the civil service remained in Fort Smith for many years and the governing Council continued its practice of holding legislative sessions all over the territory for a number of years. The Northwest Territories marked a new era when the legislative council moved into a newly constructed legislature building on November 17, 1993.
Yellowknife also resulted in new discoveries at the Con Mine, greatly extending the life of the mine. The Yellowknife townsite expanded from the Old Town waterfront, and the new townsite was established during 1945–1946. The Discovery Mine, with its own townsite, operated to the north-northeast of Yellowknife from 1950 to 1969. Between 1939 and 1953, Yellowknife was controlled by the Northern Affairs department (now Indigenous and Northern Affairs Canada) of the Government of Canada. A small council, partially elected and partially appointed, made decisions. By 1953, Yellowknife had grown so much that it was made a municipality, with its own council