Yellowknife and town hall. The first mayor of Yellowknife was Jock McNiven. In September 1967, Yellowknife officially became the capital of the Northwest Territories. This important new status sparked what has been coined as the third boom in Yellowknife. New sub-divisions were established to house an influx of government workers. In 1978 the Soviet nuclear-powered satellite Kosmos 954 crashed to Earth near Yellowknife. There were no known casualties, although a small quantity of radioactive nuclear fuel was released into the environment, and Operation Morning Light—an attempt to retrieve it—was only partially successful. A new mining rush and fourth building boom for
Yellowknife Yellowknife as having the coldest winter and longest snow cover season of any city in Canada, while also experiencing the sunniest spring and summer of any city in Canada. Yellowknife, like most other urban centres, has distinct commercial, industrial, and residential areas. Frame Lake, Niven Lake, Range Lake, and Old Town are the residential sectors, with some of the population living in high-rises in the downtown core. Niven Lake is the only area under active development and expansion. Downtown Yellowknife is home to most of the city's commercial activity, though some retail does exist in Range Lake. Industrial activity is