Along with the spread of Iron Age culture and the development of farming skills, powerful states such as Goguryeo, Baekje and Silla gradually were established in Manchuria and on the Korean Peninsula.

Upon conquering Baekje and Goguryeo in alliance with Silla, Tang China attempted to exert control over the entire Korean Peninsula including Silla by establishing the Ungjin Commandery in Baekje, the ...

The history of Doenjang goes back to the Three Kingdoms period of ancient Korea when it was first produced. Historical records also state that the Goguryeo people (a group of people who were ...