Today, 71 years ago, on August 12, 1954 (Lunar Calendar, July 14, 1954), the United Nations Army withdrew the last piece of North Korea's land. The United Nations Army withdrew the last piece of North Korea's land on August 12, 1954. The United Nations Army Command today withdrew North Korea, once again separating the people of North Korea from a narrow uninhabited zone. After the three-year war and the deaths of half a million people, the only substantial change was South Korea's expansion of 31.2 million square miles from the 38th North latitude to the north.