Edited sentence: After the defeat of World War II, the Liancourt Rocks were occupied by Korea when Japan had almost no power just after US occupation.Because Koreans believe that Japan claimed the islets as their territory just after Russo-Japanese War which gave Japan the full control of Korea, the islets are, to Korean, the symbol of the beginning of Japan's invasion of Korea.So the islets is important to Korean as they want to show their will that they will not let the unhappy history repeats again.The dispution over the Liancourt Rocks remind Koreans of the Japan's imperialistic ambitions and the war crimes againt humanity, of the Imperial Japanese Army like the sexual slavery, the Nanjing Massacre and the unit 731.The islets were used during the Russo-Japanese War by Japanese Navy.To Japanese point of view, the Liancourt Rocks were never clearly claimed by Korean till 1905, it was proclaimed by Japan under the doctrine of terra nullius.To Korean point of view, the Liancourt Rocks belongs to Ulleung-do since 6th centry as it can be viewed from Ulleung-do