The debate was not about bilingualism. It was about survival. On July 26, 1977, Premier René Lévesque's Parti Québécois government adopted Bill 101, the Charter of the French Language. The law mandated French as the language of legislation, courts, civil administration, and work in businesses with more than 50 employees. It required public signs and commercial advertising to be predominantly in French. Most consequentially, it restricted access to English-language schools to children whose parents had been educated in English in Quebec.
The context was a century of Anglophone economic dominance in Montreal and a declining Francophone birth rate. The Quiet Revolution of the 1960s had secularized the state and fostered a modern Québécois nationalism. Bill 101 was its linguistic spearhead. It aimed to make French the "normal and everyday language of work, instruction, communication, commerce, and business." For many Francophones, it was an act of collective emancipation. For many Anglophones and immigrants, it felt like an exclusionary dictate.
The immediate effect was a demographic and economic shock. The proportion of students in English schools plummeted. Head offices of major corporations migrated to Toronto. Montreal's linguistic face changed; the once-ubiquitous English commercial signage vanished. Over decades, the law achieved its primary goal: reversing the decline of French as a workplace language and solidifying its primacy in Quebec's public sphere.
Bill 101 remains one of Canada's most contested pieces of legislation. Challenges have trimmed its edges—the Supreme Court struck down the sign provisions in 1988, leading to a "notwithstanding clause" override—but its core stands. It transformed Quebec into a functionally French-speaking society within an English-majority continent. The law framed language not as a personal choice, but as the fundamental architecture of a culture, deciding who could access what and in which tongue.