In a dramatic power struggle, Premier Hua Guofeng seized the moment, arresting the infamous Gang of Four - Madame Mao and her radical allies - in a midnight raid, finally bringing an end to the chaotic and devastating Cultural Revolution that had ravaged China for a decade. This daring move marked a significant shift in the country's political landscape, paving the way for Deng Xiaoping's economic reforms and a more open, pragmatic China.