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BATTLE // August 31, 1950

Battle of Nam River

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Overview

The Battle of Nam River was an engagement between the United Nations Command (UN) and North Korean forces early in the Korean War from August 31 to September 19, 1950, in the vicinity of the Nam River and the Naktong River in South Korea. It was a part of the Battle of Pusan Perimeter, and was one of several large engagements fought simultaneously. The battle ended in a victory for the United Nations after United States Army (US) troops repelled a Korean People's Army (KPA) attack across the river.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Nam River was one of several large engagements fought simultaneously within the broader Battle of Pusan Perimeter, the defensive perimeter that UN forces held in the southeastern corner of the Korean peninsula during the summer of 1950. US troops under William B. Kean repelled a North Korean People's Army crossing of the Nam River near its junction with the Naktong, inflicting approximately 11,000 casualties on Pang Ho San's force of 20,000 and defeating an attack that outnumbered the defending force. The UN victory contributed to the overall stabilization of the Pusan Perimeter, denying the KPA a breakthrough that could have collapsed the defensive line before UN forces were able to build sufficient strength for the counteroffensives that followed.

Forces & casualties

Troop strength

  • United States15,000
    medium
  • North Korea20,000
    medium

North Korea fielded a 1.3 : 1 numerical advantage

Casualties

  • North Korea11,000
    medium55% loss rate

Commanders (2)

North Korea

United States

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6 sibling battles · 11 factions

Last verified June 2026
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