On April 13, 1919, the Republic of China recognized the Provisional Government of the Republic of Korea. The Nationalist government of China participated in the Cairo Conference which resulted in the Cairo Declaration with the aim of freeing Korea and Taiwan from Japanese colonial rule. After the communist takeover of Mainland China in 1949 and the establishment of the Democratic People's Republic of Korea in 1948 relations between the two are non-existent though however unofficial relations are significant.