Gojoseon & Bronze Age
약 BC 300년경전쟁
Invasion by Jin Gae of the State of Yan
An attack by Jin Gae, a general of the Chinese state of Yan, caused Gojoseon to lose its western territories and shift its center eastward. This period also saw the full-scale influx of iron culture.
Key developments
- BC 300년경Jingai's Invasion of Gojoseon
Yan general Jingai attacked Gojoseon and seized roughly 2,000 li of its western territory.
- BC 300년경Eastward Shift of the Capital Region
Having lost territory, Gojoseon shifted its political center eastward and reorganized its state structure.
- BC 3세기말Full-Scale Adoption of Iron Culture
Iron culture from China spread into Gojoseon in earnest, enhancing its military strength and productive capacity.