History of South Korea
The history of South Korea formally begins with its establishment on August 15, 1948.
Demographics of North Korea
According to "The World Factbook", North Korea is racially homogeneous and contains a small Chinese community and a few ethnic Japanese. The 2008 census listed two nationalities: Korean (%) and Other (%). Korea was annexed by the Empire of Japan in 1910, in which the Korean Peninsula was occupied by Japanese. In 1945, when Japan was defeated in World War II, Korea was divided into two occupied zones: North occupied by the Soviet Union and the South by the United States. Negotiations on unification failed, and in 1948 two separate countries were formed: North and South Korea.