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The Full Course and Character of the 1787 Ulleungdo Infiltration by Ulsan Fishermen

  • The Review of Korean History
  • 2025, (158), pp.133~178
  • Publisher : The Historical Society Of Korea
  • Research Area : Humanities > History
  • Received : May 15, 2025
  • Accepted : June 5, 2025
  • Published : June 30, 2025

LEE DONGGUE 1

1아주대학교

Accredited

ABSTRACT

This study examines the 1787 incident in which fishermen (Haebu, 海夫) from the Ulsan region illegally entered Ulleungdo in violation of state prohibitions, analyzing both its historical context and developments. The primary aim is to explore how this episode reflects the socio-economic characteristics of coastal towns (Haeŭp, 海邑) in late Chosŏn Korea and their relationship with state authority. In particular, residents of Ulsan’s coastal settlements were obligated to provide marine products such as abalone as part of state tribute, yet the local supply of such items was insufficient. As a result, Ulsan fishermen covertly traveled to Ulleungdo to collect abalone and fish in order to sustain their livelihoods and fulfill tribute duties. In addition, they attempted to privately harvest, process, and distribute high-value natural resources such as bamboo and juniper. However, the fishermen were apprehended during their return journey in Samch’ŏk-bu, leading to the dismissal of local officials in Ulsan and the exile of the primary culprits, Ch’oe Chamdol and Ch’u Itdol. Notably, this incident was closely tied to a treason case that occurred in June of the same year. During the investigation and arrest of those involved in the conspiracy, the royal court strengthened surveillance over islands near coastal regions. It was in this context that the Ulleungdo infiltration was discovered and prosecuted. Based on confessions in the treason case—asserting that Ulleungdo had been used for weapons manufacturing and military drills—the central government sought to intensify its monitoring and control of the island. Consequently, officials in Samch’ŏk received recognition for their active response, while those in Ulsan were punished for neglecting to enforce maritime restrictions. This study sheds light on the maritime policies and local administrative structures of late 18th-century Chosŏn, focusing on the roles of coastal towns and fishermen, and analyzes the dynamic interplay between state control and the exploitation of marine resources surrounding Ulleungdo.

Citation status

* References for papers published after 2024 are currently being built.

This paper was written with support from the National Research Foundation of Korea.