Four-Stage Theory of the Republic of China its remaining major component – the island of Taiwan, as opposed to its decades-long claim to all China since losing the civil war in 1949. Prior to this speech, the government officials used "Republic of China" when the name of the state was used. Lee's usage is considered as a departure from the convention, as this usage can be interpreted in the sense that the Republic of China's sovereignty does not extend to mainland China, which the People's Republic of China controls. The Democratic Progressive Party's 1999 Resolution on Taiwan's Future, which is accorded equivalent status as the Party charter,
History of the administrative divisions of China (1912–49) of pro-independence President Chen Shui-bian (2000–2008) did not actively claim sovereignty over all of China, Thus, the claimed area of the ROC continues to include mainland China, several off-shore islands, and Taiwan. Beginning in 2006, the ROC Yearbook, under Chen's administration, ceased displaying official administrative divisions in mainland China. It recognized two provinces (Taiwan and Fukien) and two special municipalities (Taipei and Kaohsiung). President Ma Ying-jeou reasserted the ROC's claim to be the sole legitimate government of China and the claim that mainland China is part of ROC's territory. He does not, however, actively seek reunification, and prefers to maintain