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
South Korea U.S. zones of occupations. A separate election was held in the U.S. zone in 1948 which led to the creation of the Republic of Korea (ROK), while the Democratic People's Republic of Korea (DPRK) was established in the Soviet zone. The United Nations at the time passed a resolution declaring the ROK to be the only lawful government in Korea. The Korean War began in 1950 when forces from the North invaded the South. The war lasted three years and involved the U.S., China, the Soviet Union and several other nations. The border between the two nations remains the most