id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-1544 Canada - Wikipedia .html text/html 24576 3881 70 Following several constitutional conferences, the British North America Act 1867 officially proclaimed Canadian Confederation on July 1, 1867, initially with four provinces: Ontario, Quebec, Nova Scotia, and New Brunswick.[72][73] Canada assumed control of Rupert's Land and the North-Western Territory to form the Northwest Territories, where the Métis' grievances ignited the Red River Rebellion and the creation of the province of Manitoba in July 1870.[74] British Columbia and Vancouver Island (which had been united in 1866) joined the confederation in 1871, while Prince Edward Island joined in 1873.[75] In 1898, during the Klondike Gold Rush in the Northwest Territories, parliament created the Yukon Territory. The Great Depression in Canada during the early 1930s saw an economic downturn, leading to hardship across the country.[90] In response to the downturn, the Co-operative Commonwealth Federation (CCF) in Saskatchewan introduced many elements of a welfare state (as pioneered by Tommy Douglas) in the 1940s and 1950s.[91] On the advice of Prime Minister William Lyon Mackenzie King, war with Germany was declared effective September 10, 1939, by King George VI, seven days after the United Kingdom. ./cache/en-wikipedia-org-1544.html ./txt/en-wikipedia-org-1544.txt