Chiang Kai-shek (31 October 1887 – 5 April 1975), also known as Chiang Chung-cheng and Jiang Jieshi, was a Chinese Nationalist politician, revolutionary, and military leader who served as the leader of the Republic of China (ROC) from 1928 to his death in 1975 – until 1949 in mainland China and from then on in Taiwan. After his rule was confined to Taiwan following his defeat by Mao Zedong in the Chinese Civil War, he continued to head the ROC government in exile.