1950 in South Korea 25 June 1950 in the whole of Korea. The Korean War happened because the North Korean forces surprised the South Korean army and the small U.S. force stationed in the country, and quickly headed toward the capital of South Korea. The trigger for the war was when, in 1950, Syngman Rhee, who was the South Korean president those days, boasted that he was going to attack North Korea. It was a good enough excuse, so the North Koreans invaded South Korea. This started the actual fighting. On 26 June 1950, U.S. President Harry S. Truman directs General Douglas MacArthur to
United Nations Command members providing military forces and other assistance to South Korea "make such forces and other assistance available to a unified command under the United States of America". President Syngman Rhee of the Republic of Korea assigned operational command of ROK ground, sea, and air forces to General MacArthur as Commander-in-Chief UN Command (CINCUNC) in a letter (the "Pusan Letter") of July 15, 1950: On August 29, 1950, the British Commonwealth's 27th Infantry Brigade arrived at Busan to join UNC ground forces, which until then included only ROK and U.S. forces. The 27th Brigade moved into the Naktong River line west