Sun Yat-sen, a.k.a. Sun Zhongshan, was a Chinese revolutionary who founded the Republic of China (ROC) and the Kuomintang (KMT). Sun is credited with leading the 1911 Revolution and overthrowing the Qing dynasty. He served as the first president of the Provisional Government of the Republic of China (1912) and as the inaugural premier of the Kuomintang.