The Thule people move to the Arctic Islands; the Vikings reach Baffin Island
The Yukon Territory is created from the western portion of the Northwest Territories
The provinces of Alberta and Saskatchewan are created from the southern portion of the Northwest Territories
The government and aboriginal groups agree to set aside more than 30,000 square kilometres (11,583 sq miles) of land around Great Slave Lake as a national park
The ancestors of the Dene live in what is now the Northwest Territories