After the war, Japanese fishermen were expelled from adjacent ocean of Sea of
On the other hand, Korean fishermen enjoyed fishery without being annoyed by Japanese fishing boats.
However, the MacArthut Line was to be abolished in April 1952 immediately after the Peace Treaty came in effect. ROK hoped the line would be kept for a long period and negotiated with
Dean Rusk advised
On January 18th 1952, the President of ROK Syngman Rhee (李承晩)* suddenly issued a Declaration concerning maritime sovereignty, with which he installed the so-called “Syngman Rhee Line” including Liancourt Rocks in the Korean territory, it was three months before April when the Peace Treaty would be effective. Japanese government soon made an objection on 28th the same month insisting that installation of this "line" encompassing the islands of Liancourt Rocks was a unilateral act in contravention of international law.
The fishing boats, which were mostly Japanese, that violated the Syngman Rhee Line were seized by
Japanese Government released 472 Korean people in
* Rhee, Syngman (1875-1965)