UN Forces retreat from North Korea

The UN Forces retreat from North Korea was the withdrawal of United Nations (UN) forces from North Korea that took place from 2–25 December 1950. On 30 September Republic of Korea Army (ROK) forces crossed the 38th Parallel, the de facto border between North and South Korea on the east coast of the Korean peninsula and this was followed by a general UN offensive into North Korea to pursue the shattered North Korean Korean People's Army (KPA).

Source: Wikipedia — UN Forces retreat from North Korea (CC BY-SA 4.0)