Flag of the Republic of China sovereign independent country of the Republic of China (ROC) to the island of Taiwan. On the mainland, the communist forces of Mao Zedong established the People's Republic of China and adopted their own national flag. On October 23, 1954, the National Emblem and National Flag of the Republic of China Act () was promulgated by the Legislative Yuan to specify the size, measure, ratio, production, and management of the flag. While public display of the ROC flag is generally frowned upon, and may even lead to arrest in the PRC, Cambodia was the first country to outlaw it officially. In
Taiwan independence movement and change the island's name from the “Republic of China” to “Taiwan,” and apply for membership in the United Nations. A second view is that Taiwan is already an independent nation with the official name “Republic Of China,” which has been independent (i.e. de facto separate from mainland China) since the end of the Chinese Civil War in 1949, when the ROC lost control of mainland China, with only Taiwan (including the Penghu islands), Kinmen, the Matsu Islands off the coast of Fujian Province, and some of the islands in the South China Sea remaining under its administration. Although previously