Chosŏn

…the ancient Korean state of Wiman (later named Chosŏn). Nangnang, which occupied the northwestern portion of the Korean peninsula and had its capital at P’yŏngyang, was the only one of the four colonies to achieve success. It lasted until 313 ce, when it was conquered by the expanding northern Korean…

…and first known kingdom was Gojoseon (Old Joseon), established in the Taedong River basin, in the northern part of the peninsula. According to legend, the son of heaven, Hwanung, descended to earth and married a bear-turned-woman, who bore a son, Tangun, the founder of Gojoseon. Perhaps Tangun and his descendants…

…of the Korean state of Chosŏn. He moved the capital to the present-day site of P’yŏngyang on the Taedong River, dominating the area on the Korean-Manchurian border, and extended his influence down the Korean peninsula.