April 21,1806 St-Boniface Manitoba - Marie-Anne Gaboury marries Jean-Baptiste Lagimodière; the first white woman to live in Western Canada, Gaboury is Louis Riel's grandmother. ---------------------------------------------------------------------------- -------------- April 21,1785 Quebec Quebec - Trial by jury begins in Canada with the adoption of British common law. ---------------------------------------------------------------------------- ------------- April 21,1664 Quebec Quebec - Governor bans the littering of streets with 'straw, manure or anything else'; first hygiene regulations in New France.