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 Taiwan counseled that the island was "a ball of mud beyond the sea, adding nothing to the breadth of China" (海外泥丸，不足為中國加廣), and advocated removing all the Chinese to mainland China and abandoning the island. It was only the campaigning of admiral Shi Lang and other supporters that convinced the emperor not to abandon Taiwan. Koxinga's followers were forced to depart from Taiwan to the more unpleasant parts of Qing controlled land. By 1682 there were only 7000 Chinese left on Taiwan as they had intermarried with aboriginal women and had property in Taiwan. The Koxinga reign had continued the tax systems