South Korean Foreign Minister Yu Myung-hwan called in the afternoon of 30 re-house the Japanese ambassador to South Korea Toshinori, on the day the Japanese government approval of the primary school textbooks marked Dokdo as Japanese territory (Japan called Takeshima) expressed deep regret and protest this. Yu said: "In Korea and Japan forced the merger at a Century of sensitive period, the Japanese government released results of such consideration, a departure from both countries hope to create a new relationship between Korea and Japan a century desire, a cause for concern." According to reports, Japan Government Ministry of Education adopted a ranking of 30 will be open next year in primary school textbooks,

These books or accounts of Dokdo as "belonging to Shimane Prefecture, Japan bamboo island", or "ring with borders into the territory of Japan." Dokdo is located in the eastern waters of the Korean peninsula, South Korea, North Korea, Japan have announced that sovereignty over the island.