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Joseon–Jurchen Border Conflicts (1430s)

Type Event Region East Asia Time 1431–1440

In the 1430s, under King Sejong, Joseon had tense relations with Jurchen tribes in the northeastern border regions such as Hamgyeong Province, with r…

Timeline

  1. 1433Giju (North Hamgyeong Province) · Hamgyeong ProvinceDue to Jurchen raids and abduction of border populations, Sejong ordered Choi Yun-deok and others to lead a northern campaign, defeating some Jurchen forces and capturing leaders, temporarily easing border tensions.
  2. 1435–1438Border of the Four Counties and Six Garrisons · Hamgyeong ProvinceAfter military operations the court strengthened garrison fortresses, applied pacification and tributary management to submitting Jurchen tribes, and continued military action against the inconstant, while the border defense system was gradually strengthened through conflict.
  3. 1439–1440Gyeongwon (North Hamgyeong Province) · Hamgyeong ProvinceJurchen forces again raided southward and Joseon border troops engaged them in battle; the court used the opportunity to further reorganize the northeastern defense line, laying the foundation for long-term border policy toward the Jurchens in the mid-to-late 15th century.

Sources