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 China "the land of the utopian past [and] childhood". Schoolchildren were taught slogans like "Counterattack the mainland!" () and "Save our mainland compatriots from the deepest water and hottest fire!" (). The Taiwanese were also told that they were the guardians of traditional Chinese culture until political reunification. However, democratization on Taiwan has led to the rise of voices which denounced traditional attitudes towards the mainland and the ancestral home system, pressing for Taiwanization, Desinicization, and "Taiwan cultural independence" (). Concurrently, the mainland Chinese economic reform changed the connotation of "mainland China" to one of "primitiveness, nativeness, and raw cultural material