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-1967, Pierre E. Trudeau, Minister of Justice of Canada introduced the Bill Omnibus to abolish discriminatory laws on homosexual acts between consenting adults;
-1969, Canada; decriminalization of homosexuality /a first in North America;
-1977, “Discrimination based on sexual orientation” has been prohibited in Québec (Parti Québécois); 
with that change, Québec became the first jurisdiction larger than a city or county to prohibit anti-gay discrimination in North America;
-June 1992, like Québec and British Columbia, Ontario declared unconstitutional laws and common Law provisions which provide that marriage can only unite people of the opposite sex. These courts have decided that a definition of marriage that excludes the union between persons of the same sex violates article 15 of the Canadian Charter of rights and freedoms, which prohibits discrimination based on gender;