Liancourt Rocks dispute Japan. In 1954, Japan proposed a reference to the International Court of Justice, which South Korea rejected, believing that the Liancourt Rocks are irrefutably South Korean territories, and thus should not be dealt through diplomatic negotiations or judicial settlement between South Korea and Japan. There are conflicting interpretations about the historical state of sovereignty over the islets. Korean claims are partly based on references to a Korean island called "Usan-do" in various historical records, maps and encyclopedias such as the "Samguk Sagi", "Annals of the Joseon Dynasty", "Dongguk Yeoji Seungnam" (), and "Dongguk munheon bigo" (). According to the Korean
Spain from Ceuta and from mainland Spain. Its sovereignty is disputed between Spain and Morocco. It was the subject of an armed incident between the two countries in 2002. The incident ended when both countries agreed to return to the status quo ante which existed prior to the Moroccan occupation of the island. The islet is now deserted and without any sign of sovereignty. Besides the Perejil Island, the Spanish-held territories claimed by other countries are two: Morocco claims the Spanish cities of Ceuta and Melilla and the "plazas de soberanía" islets off the northern coast of Africa; and Portugal and