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Lieutenant General
Lastly ROC was the first to occupy the island after Japan renounced the territory so based on first claim ROC has stronger claim then PRC.
How can one lay claim and own something that one is NOT an official recognized sovereign state from the UN Charter? So in other words the Taiwan island thus belongs to the PRC.
The United Nations General Assembly Resolution 2758 was passed in response to the United Nations General Assembly Resolution 1668 that required any change in China's representation in the UN be determined by a two-thirds vote referring to Article 18[1] of the UN Charter. The resolution, passed in October 25, 1971, recognized the People's Republic of China (PRC) as "the only legitimate representative of China to the United Nations" and expelled "the representatives of Chiang Kai-shek from the place which they unlawfully occupy at the United Nations."[2]