National Day of the Republic of China National Day of the Republic of China The National Day of the Republic of China, also referred to as Double Ten Day or Double Tenth Day, is the national day of the Republic of China (ROC). It commemorates the start of the Wuchang Uprising of 10 October 1911 (10-10 or double ten), which led to the end of the Qing Dynasty in China and establishment of the Chinese Republic on 1 January 1912. During the course of the Chinese Civil War, the government of the Republic of China lost control of mainland China, fleeing to the Island of Taiwan in
Flag of the Republic of China (ROC) in 1928 by the Kuomintang (KMT). It was enshrined in the sixth article of the Constitution of the Republic of China when it was promulgated in 1947. The flag is no longer used in mainland China after the People's Republic of China was founded in 1949. As the islands of Taiwan and Penghu were under Japanese rule until 1945, the flag was not in use in two territories, until ROC took control in 1945. The flag is now mostly used within Taiwan, Penghu, Kinmen, Matsu and other outlying islands, where the ROC relocated to in 1949 after its defeat