Proto–Three Kingdoms of Korea

Proto–Three Kingdoms of Korea refers to the period after the fall of Gojoseon and before the maturation of Goguryeo, Baekje, and Silla into full-fledged kingdoms. It is a subdivision of what is traditionally called Korea's Three Kingdoms Period.
Generally considered the first three centuries of the Common Era, it is the latter part of the Iron age in Korea, and sometimes called the Samhan period, referring to the three confederacies in the central and southern Korean Peninsula. During this period, Baekje and Silla overtook the Samhan, and Goguryeo expanded in the north, destroying the last Chinese commandery at Lelang.

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