The "revenge" of the phrase references the Conquest of New France by the British in 1763. Under British rule, new immigrants to Canada came overwhelmingly from English-speaking regions, allowing English-speakers to eventually become the majority of the overall Canadian population.
The term "revenge" alludes to the British conquest of New France in 1763. Following this conquest, immigrants to Canada predominantly originated from English-speaking regions, leading to an eventual dominance of English speakers among the overall Canadian populace.