Manitoba By Jazzy B 1868 Hudson's Bay Company sells Rupert's Land to the Dominion of Canada 1869 Seizure of Upper Fort Garry by a group of 120 men Oct 16, 1869 Formation of the Metis National Committee Dec 8, 1869 Formation of a provisional government led by Louis Riel Mar 4, 1870 Execution of Thomas Scott May 12, 1870 Manitoba Act passed by the parliament of Canada Jul 15, 1870 Manitoba joins confederation as the fifth province Mar 10, 1992 Ottawa officially recognizes Louis Riel as the founder of Manitoba