He Yingqin
He Yingqin, the ROC representative at the Japanese surrender ceremonies established the separate from the provincial-level executive system on mainland China. After the establishment of the provincial executive office, Chen Yi was appointed Chief Executive. Chen proclaimed 25 October to be Retrocession Day. However, because Japan had not formally relinquished the sovereignty of Taiwan at that time, Allies of World War II did not recognize the unilateral annexation of Taiwan by the Republic of China.