National Defense Corps incident
The National Defense Corps Incident was a death march that occurred in South Korea during the Korean War between December 1950 and February 1951. An estimated 50,000 to 120,000 conscripts died from malnutrition and frostbite as a result of corruption in the government of President Syngman Rhee.
Source: Wikipedia — National Defense Corps incident (CC BY-SA 4.0)