Dating the jjang from sang doc
Above right: This map of Ulleungdo Island shows the islands major geographical features for reference“…Gab-Sul (1694) September Samcheok Base Commander of Ganwang Province, Chang Han Sang urgently reported to the central government that Ulleungdo had just been invaded.
After this, on September 19th between and AM, boats waiting for favourable winds were dispatched from Samcheok-Bu, Namyang-Jang, Ori Port.
To familiarize readers with the region a map below shows the Korean coast, Ulleungdo and Dokdo Island.
Dokdo island is called Takeshima by Japan and is sometimes referred to as Liancourt Rocks by western nations.The Ulleungdo Sajeok is one of the Korean records that show Chosun officials considered Dokdo Island within Korea’s sphere of influence and outside of Japanese territory.