Defining Modern Canada (1982-Present) By EvanZ. Jun 12, 1980 Quebec Referendum Period: Jun 12, 1980 to Jun 12, 2003 Canada Jun 12, 1982 Constitution Act Jun 12, 1987 The Meech Lake Accord Jun 12, 1989 NAFTA Jun 12, 1990 Oka Jun 12, 1992 Charlottetown Accord Jun 12, 1995 Quebec Referenda Jun 12, 2003 Canadian troops goes to war in Afghanistan