History of the Republic of China its remaining islands in Fujian as vital for any future campaign to defeat the PRC and retake mainland China. On 3 September 1954, the First Taiwan Strait Crisis began when the PLA started shelling Quemoy and threatened to take the Dachen Islands. On 20 January 1955, the PLA took nearby Yijiangshan Island, with the entire ROC garrison of 720 troops killed or wounded defending the island. On January 24 of the same year, the United States Congress passed the Formosa Resolution authorizing the President to defend the ROC's offshore islands. The First Taiwan Straits crisis ended in March 1955 when
Mainland Travel Permit for Taiwan Residents Mainland Travel Permit for Taiwan Residents The Mainland Travel Permit for Taiwan Residents, also known as Taiwan Compatriot Permit, is a type of travel document issued by Ministry of Public Security of the People's Republic of China (MPS) to nationals of the Republic of China (Taiwan) with household registration in the Taiwan Area for entry into Mainland China. The Republic of China passport is not considered as a valid travel document by the People's Republic of China (except when entering at Changsha airport and holding two photos). The permit serves as the main travel document and identity document for ROC