The Korean War Use the following links to view maps: The Korean War, Principals Campaigns South Korea, UN Delay, Withdrawal and Defense, Situation 5 August 1950 and Operations Since 25 June Taegu-Pusan Area, UN Defense, Situation 26 August 1950 and Operations Since 5 August Taegu-Pusan Area, UN Defense, Situation 10 September 1950 and Operations Since 27 August South Korea, UN Offensive, Situation 26 September 1950 and Operations Since 15 September Close Up, UN Offensive, Situation 26 September 1950 and Operations Since 15 September North Korea, UN Advance to the Yalu River and Initial Chinese Counterattack, Situation 26 October 1950 and Operations Since 7 October North Korea, UN Advance to the Yalu River, Situation 24 November 1950 and Changes in the Front Since 26 October North Korea, Chinese Communist Offensive, Situation 5 December 1950 and Operations From 26 November to 15 December South Korea, Second Invasion of South Korea, Situation 24 January 1951 and Operations Since 31 December 1950 South Korea, UN Counteroffensive, Situation 22 April 1951 and Operations Since 25 January Chip' Yong-Ni, Situation 13-14 February 1951 OPERATION RIPER, 6031 March 1951 Central Korea, Communist Spring Offensive, Situation 30 April 1951 and Operations Since 22 April and UN Probing Attacks, 1-10 May Central Korea, Communist Spring Offensive. Situation 20 May 1951 and Operations Since 14 May UN Offensive, Situation 27 November 1951 and Operations Since 23 May Central Korea, Stalemate in Korea, General Defense Line and Corps Sectors During the Period of armistice Talks, November 1951-July 1953