South Korean armed force captured 3929 and killed 44 Japanese people between 1952 and 1965 until was set. The dispute between South Korea and Japan over the islands has gained heat in 2008 with new Japanese school books mentioning the islands, and a visit by the South Korean Prime Minister in July. Ten years ago, no people lived on the islands. But South Korea started to populate the island to make its claim stronger. South Korea insists that the islet was called Usan-do or Sokdo in a past and later changed its name, but there is no historical proof which shows when the name was changed.