Timeline of United States military operations May 1949. 1948–1949: China: Marines were dispatched to Nanking to protect the American Embassy when the city fell to Communist troops, and to Shanghai to aid in the protection and evacuation of Americans. 1950–1953: Korean War: The United States responded to the North Korean invasion of South Korea by going to its assistance, pursuant to United Nations Security Council resolutions. US forces deployed in Korea exceeded 300,000 during the last year of the active conflict (1953). Over 36,600 US military were killed in action. 1950–1955: Formosa (Taiwan): In June 1950, at the beginning of the Korean War, President Truman ordered
North Korean occupation of South Korea, June to September, 1950 against the advancing forces. The Communists removed about 20,000 of their prisoners of war on a "death march" northward and killed many other South Korean political and military prisoners. However, after the re-occupation of Seoul by the UN and South Korean forces, many of those who had joined Committees or supported the Northern regime would again be purged, this time by the South Koreans. North Korean occupation of South Korea, June to September, 1950 The North Korean occupation of South Korea from June to September, 1950 constituted the first phase of the Korean War. In June 25, 1950, The Korean