Ancient Korea-(Koguryo, Silla, Baekje)-Korea-Korea-Japanese occupation-Korea and South Korea
The word' Koryo' appears in China's new and old Tang books, in which Koryo refers to Koguryo.
In the history of Korea, from the establishment of the Korean dynasty in 9 18 to the establishment of the Korean dynasty in 1392, Korea was ruled by the Yuan Dynasty for more than 450 years and became the Xu State of the Yuan Dynasty.