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,
First Taiwan Strait Crisis of southeastern China. Hainan island fell to the Communists in April 1950 and the Choushan islands were evacuated by the Nationalists in May 1950, even before the First Taiwan Strait Crisis. The Matsu and Kinmen island groups, situated in the Taiwan Strait just off the coast of the Chinese mainland, were the Nationalists' first line of defense against the Communist Party of China and were heavily fortified by Chiang. The islands off the shore of Zhejiang province were seen as a foothold to recover the mainland and housed the reduced provincial government of Chiang's native province. While the United States