Korean reunification selected the 38th parallel as a dividing line. Japanese troops to the North of this line were to surrender to the Soviet Union and troops to the South of this line would surrender to the United States. This was not originally intended to result in a long-lasting partition, but Cold War politics resulted in the establishment of two separate governments in the two zones in 1948 and rising tensions prevented cooperation. The desire of many Koreans for a peaceful unification was dashed when the Korean War broke out in 1950. In June 1950, troops from North Korea invaded South Korea.
Sweden in the Korean War personnel and 2,400 Korean personnel were treated by Swedish doctors. Because of Sweden's reputation for neutrality during the major 20th century conflicts (First World, Second World and Korean Wars), Sweden was included as one of the four founding members of the Neutral Nations Supervisory Commission and several Swedish military personnel served in Korea enforcing the Panmunjom armistice. Sweden was the first Western European country to establish diplomatic relations and an embassy in North Korea. Sweden in the Korean War Sweden took part in the Korean War by providing the Swedish Red Cross Field Hospital and participating in the Neutral Nations