Korea divided into to, the south called itself the republic of Korea
North Korea attacks South Korea.
North Korea pushed South Korea all the way south, almost winning the war
MacArthur surprises and strikes behind enemy line and half of north surrenders and saves his army from certain defeat
Us troops approach the Yalu river on border of Korea and china, it seemed as if Korea was going to become a single country once more.
Chinese intervine and help North Korea to push back the the original border
Both sides decide to sign treaty to. End war