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
The Conflict Over the Sovereignty of the Diaoyu Islands -- between Taiwan (ROC), China (PRC), & Japan Jiajing Period of the Ming Dynasty, Japanese pirates invaded China’s southeast coast of China frequently. China was forced to implement effective jurisdiction over the Diaoyu Islands and other islands and patrolled the sea. In the 40th year of Ming Jiajing (1561), Zheng Ruozeng’s "Wanli Coastal Defense Map" included the Diaoyu Islands and eventually recognized these islands as a part of their coastal defense system. In the Qing Dynasty’s royal history inspection report of Taiwan and local compilation of the Fujian Province, they claimed Taiwan was officially ruled under the jurisdiction of the Qing Dynasty in the 22nd year of Kangxi