History of South Korea
On August 15, 1948, the Republic of Korea was formally established, with Rhee Syngman as the first president. With the establishment of Rhee's government, de jure sovereignty also passed into the new government. On September 9, 1948, a communist regime, the Democratic People's Republic of Korea (North Korea), was proclaimed under Kim Il-sung. However, on December 12, 1948, by its resolution 195 in the Third General Assembly, the United Nations recognized the Republic of Korea as the sole legal government of Korea.
Foreign relations of Taiwan
The ROC recognized the formal establishment of the First Republic of Korea in 1948. On 4 January 1949, the ROC set up an embassy in Myeongdong in Seoul. The ROC considers the ROK government as the sole legitimate representative of the Korean Peninsula. On 23 August 1992 South Korea severed diplomatic relations with the ROC and then established diplomatic relations with the PRC as part of its Nordpolitik, the last Asian country to switch .