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
History of foreign relations of the People's Republic of China however, remain unresolved: the issue of Taiwan. Chiang Kai-shek and his forces fled to Taiwan after the founding of the People's Republic of China in 1949. The government they established there, the "Republic of China", continued to claim authority as the government of the Chinese nation almost four decades after the founding of the People's Republic. Although China's goal of reunifying Taiwan with the mainland remained unchanged, the previous, more militant Chinese policy of "liberating Taiwan" was replaced in the 1980s by the concept of reunification under the "one country, two systems" policy. The agreements on Hong Kong and Macau