1950-1953: Korean War - After the USSR-supported North Korea attacked South Korea, the United States and United Nations undertook police action to drive the communists back to the border with China and the USSR, at which point China became involved and pushed UN-US forces back to the inital line. The Korean War accomplished nothing but was an example of future wars to come. (1 gen 1950 anni – 1 gen 1953 anni)