Battle of Nam River
Battle of Nam River was a battle fought on 31 August 1950 at Nam River, in what is now South Korea; it lasted 19 days. It was part of the Korean War, which ran from 1950 to 1953. The recorded result: United Nations victory. Recorded strength: ~15,000 against 20,000.
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Men of the US 35th Infantry display a North Korean flag captured during the Battle of Masan in September 1950. US Army, Public domain, via Wikimedia Commons .
Fought 31 August 1950 lasted 19 days
Where Nam River, South Korea 35.237N, 128.421E
Outcome United Nations victory
Belligerents United States; First Republic of Korea against North Korea
Casualties and losses ~275 killed; ~625 wounded and ~11,000 killed and deserted
Where it sits in the Korean War First Battle of Naktong Bulge, 1950 Battle of Chonan, 1950 Second Battle of Naktong Bulge, 1950 Battle of Wawon, 1950 Battle of Taegu, 1950 Battle of the Bowling Alley, 1950 Battle of Ka-san, 1950 Battle of Tabu-dong, 1950 Battle of Yongsan, 1950 Battle of Uijeongbu, 1950 Battle of Chochiwon, 1950 Battle of Yongdong, 1950 Battle of Sangju, 1950 Battle of Nakdong River, 1950 First Battle of Seoul, 1950 Battle of Chuncheon, 1950 Battle of Kaesong–Munsan, 1950 Battle of Korea Strait, 1950 Battle of Andong, 1950 Battle of Chumonchin Chan, 1950 Battle of Osan, 1950 Battle of Pyongtaek, 1950 Battle of Taejon, 1950 Hadong Ambush, 1950 Battle of the Notch, 1950 Battle of Pusan Perimeter, 1950 Battle of Pusan Perimeter logistics, 1950 Battle of P'ohang-dong, 1950 Battle of Masan, 1950 Battle of Battle Mountain, 1950 Battle of Cheonpyeong Valley, 1950 Battle of Kyongju, 1950 Battle of Nam River, 1950 Battle of Haman, 1950 Battle of Inchon, 1950 Second Battle of Seoul, 1950 Battle of Sariwon, 1950 Battle of Pyongyang (1950), 1950 Battle of Yongju, 1950 Battle of Unsan, 1950 Battle of Onjong, 1950 Battle of Kujin, 1950 Battle of Chongju, 1950 Battle of Pakchon, 1950 Battle of the Ch'ongch'on River, 1950 Battle of Changjin Reservoir, 1950 Third Battle of Seoul, 1950 First and Second Battles of Wonju, 1950 Battle of Hoengsong, 1951 Battle of Uijeongbu, 1951 Battle of the Twin Tunnels, 1951 Battle of Chipyong-ni, 1951 Blockade of Wonsan, 1951 Operation Thunderbolt, 1951 Battle of Maehwa-san, 1951 Operation Tomahawk, 1951 Battle of Kapyong, 1951 Battle of the Imjin River, 1951 Battle of Yultong, 1951 Battle of the Soyang River, 1951 Battle of Bloody Ridge, 1951 Battle of the Punchbowl, 1951 Battle of Heartbreak Ridge, 1951 Naval Battle of the Han River, 1951 Battle of Hill 355, 1951 First Battle of Maryang-san, 1951 Battle of Haktang-ni, 1951 Battle of Sunchon, 1951 Battle of White Horse, 1952 Attack on the Sui-ho Dam, 1952 Battle of Hill Eerie, 1952 Battle of Old Baldy, 1952 Battle of Triangle Hill, 1952 Second Battle of the Hook, 1952 Battle of Chatkol, 1953 Battle for Outpost Vegas, 1953 Battle of the Hook, 1953 Outpost Harry, 1953 Battle of Pork Chop Hill, 1953 Battle of Kumsong, 1953 Battle of the Samichon River, 1953 1950 1953 Battle of Nam River, 1950 83 placed engagements of the Korean War in time order; taller ticks are more widely documented. Each tick is a link.
Record
Date 31 August 1950to 19 September 1950 Place Nam River, South Korea35.237N, 128.421E Kind Battle, Cold War Strength ~15,000 20,000 Casualties and losses ~275 killed; ~625 wounded ~11,000 killed and deserted Commanders
Battle of Nam River Battle of Nam River Battle of Haman Battle of Battle Mountain Battle of the Notch Battle of Masan Battle of Yongsan Battle of Battle Mountain Battle of the Notch Battle of Yongsan Daejeon Gwangju Daegu Pohang Jeonju Yeosu Gunsan Gyeongju 100 km 35.237N, 128.421E The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.
Combat data (CDB90)
Attacker: US DIVDefender: NKOR ARMYStrength 16,400 9,000 Casualties 230 (1.4%) 1,640 (18.2%) Outcome attacker won Duration 2 days Front width 52 km Attacker advanced 23 km
From the US Army Concepts Analysis Agency Database of Battles (CDB90, battle 628), public domain, in the CC0 tidy edition by Jeffrey B. Arnold. Figures are the database's estimates, compiled in 1990 from published histories, and may differ from the Wikipedia infobox above.
Battle of Nam River is one of 2,997 engagements of the 20th century in the atlas and one of 113 in present-day South Korea.
Sources
Identity, coordinates, dates and the war from Wikidata Q2890901 , released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Nam River , revision 1377191164, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.
