Sun Yixian was a key figure in modern Chinese history, leading the movement that overthrew the Qing dynasty and founding the Republic of China. Synonyms for Sun Yixian include Sun Yat-sen, Sun Zhongshan, and Sun Wen. While he is best known for his role in the Chinese revolution, Sun Yixian was also a well-respected political theorist, advocating for a Three Principles of the People, a political philosophy that emphasized nationalism, democracy, and livelihood. He was deeply committed to ensuring China's independence and modernization, and his legacy can still be felt today in the ongoing development of modern China.