### Battle of Osan **Date**: July 5, 1950 • **Location**: Osan-si, Korea, Republic of Korean War: In the first encounter between North Korean and American forces, an unprepared and undisciplined U.S. Army task force was routed at the Battle of Osan. The Korean War was an armed conflict fought on the Korean Peninsula between North Korea and South Korea and their allies. North Korea was supported by China and the Soviet Union, while South Korea was supported by the United Nations led by the United States under the auspices of the United Nations Command (UNC).

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