The West- cassie By cberti Dec 7, 1857 gold was discovered in the Cariboo gold fields Dec 7, 1858 a separate colony was created on the mainland, called British Columbia Sep 9, 1867 the USA purchased Alaska USA from Russia Dec 7, 1867 Prince Edward Island had not joined Confederation Oct 2, 1868 Hudson's Bay Company agreed to sell its lands to Canada Dec 7, 1869 HBC sold its lands to Canada Period: Jan 10, 1870 to Sep 7, 1876 The North-West Territories was ruled with Manitoba by the Manitoba governor, Adams Archibald Jan 23, 1870 the Manitoba Act was passed Jul 20, 1871 British Columbia became the sixth province of Canada Jul 1, 1873 Prince Edward Island became the seventh province of Canada Apr 2, 1875 The North-West Territories Act Feb 29, 1876 Indian Act was passed Nov 7, 1885 the completion of the CPR Nov 16, 1885 Riel was sentenced to hang and was executed Dec 7, 1888 the Territories were given an elected assembly, but not responsible government Dec 7, 1891 the Assembly got control of how money was spent Dec 7, 1905 The population increased from 98,967 in 1890 to 417,960 Dec 7, 1999 The North-West Territories was divided into two territories