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Korea from WikiPedia:

Korean Academy of Social Sciences discovered ancient human fossils originating from about 100,000 BC in the lava at a stone city site in Korea. Fluorescent and high-magnetic analyses indicate the volcanic fossils may be from as early as 300,000 BC. The best preserved Korean pottery goes back to the paleolithic times around 10,000 BC, and the Neolithic period begins around 6000 BC.

Gojoseon's founding legend describes Dangun, a descendent of heaven, as establishing the kingdom in 2333 BC. Archaeological and contemporary written records indicate it developed from a federation of walled cities into a centralized kingdom sometime between the 7th and 4th centuries BC.

The original capital may have been at the Manchuria-Korea border, but was later moved to what is today Pyongyang, North Korea. In 108 BC, the Chinese Han Dynasty defeated Wiman Joseon and installed four commanderies in the area of Liaoning and the northern Korean peninsula. By 75 BC, three of those commanderies had fallen, but the Lelang Commandery remained as a center of cultural and economic exchange with successive Chinese dynasties until 313, when it fell to Goguryeo.

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