1957年反右運動，大量知識份子畀打成“右派”而受到逼害，引發第一次大規模以知識份子為主嘅逃港潮，令到香港人口中粵語廣州話使用者大增，香港政府亦推動廣州話作為香港嘅通用語。
In 1957, during the Anti-Rightist Movement, a large number of intellectuals were branded as Lin Rightists and persecuted, triggering the first large-scale exodus of intellectuals from Hong Kong, which led to a significant increase in Cantonese speakers among the Hong Kong population, and the Hong Kong government also promoted Cantonese as the lingua franca of Hong Kong.