The resultant South Korean government promulgated a national political constitution on 17 July 1948, and elected <answer>Syngman Rhee</answer> as President on 20 July 1948. The Republic of Korea (South Korea) was established on 15 August 1948. In the Russian Korean Zone of Occupation, the Soviet Union established a Communist North Korean government led by Kim Il-sung. President Rhee's régime excluded communists and leftists from southern politics. Disenfranchised, they headed for the hills, to prepare for guerrilla war against the US-sponsored ROK Government.
Who was elected president of South Korea on July 20, 1948?
Syngman Rhee