Atlas of Battles

battle, notable, Cold War

Battle of Pusan Perimeter

Battle of Pusan Perimeter was a battle fought on 4 August 1950 at Pusan Perimeter, in what is now South Korea; it lasted 45 days. It was part of the Korean War, which ran from 1950 to 1953. The recorded result: United Nations victory. Recorded strength: 141,808 total (92,000 combat) against 98,000 (70,000 combat).

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SC347752 - KOREAN CONFLICT Pfc. Robert Smith of Springfield, Colo., (left) and Pvt. Carl Fisher of Ponca, Okla., 27th Infantry Regiment, dug in and firing at Communist-led North Korean positions. 4 Se
SC347752 - KOREAN CONFLICT Pfc. Robert Smith of Springfield, Colo., (left) and Pvt. Carl Fisher of Ponca, Okla., 27th Infantry Regiment, dug in and firing at Communist-led North Korean positions. 4 Se. Pfc. Thomas Nebbia, Public domain, via Wikimedia Commons.
Fought4 August 1950lasted 45 days
WherePusan Perimeter, South Korea35.100N, 129.040E
OutcomeUnited Nations victory
BelligerentsUnited Nations; First Republic of Korea; United States; United KingdomagainstNorth Korea
Casualties and losses3,642 killed; 60 tanks; 5 killed; 17 woundedandHeavy, but precise number unknown
Part ofKorean War1950 to 1953

Where it sits in the Korean War

First Battle of Naktong Bulge, 1950Battle of Chonan, 1950Second Battle of Naktong Bulge, 1950Battle of Wawon, 1950Battle of Taegu, 1950Battle of the Bowling Alley, 1950Battle of Ka-san, 1950Battle of Tabu-dong, 1950Battle of Yongsan, 1950Battle of Uijeongbu, 1950Battle of Chochiwon, 1950Battle of Yongdong, 1950Battle of Sangju, 1950Battle of Nakdong River, 1950First Battle of Seoul, 1950Battle of Chuncheon, 1950Battle of Kaesong–Munsan, 1950Battle of Korea Strait, 1950Battle of Andong, 1950Battle of Chumonchin Chan, 1950Battle of Osan, 1950Battle of Pyongtaek, 1950Battle of Taejon, 1950Hadong Ambush, 1950Battle of the Notch, 1950Battle of Pusan Perimeter, 1950Battle of Pusan Perimeter logistics, 1950Battle of P'ohang-dong, 1950Battle of Masan, 1950Battle of Battle Mountain, 1950Battle of Cheonpyeong Valley, 1950Battle of Kyongju, 1950Battle of Nam River, 1950Battle of Haman, 1950Battle of Inchon, 1950Second Battle of Seoul, 1950Battle of Sariwon, 1950Battle of Pyongyang (1950), 1950Battle of Yongju, 1950Battle of Unsan, 1950Battle of Onjong, 1950Battle of Kujin, 1950Battle of Chongju, 1950Battle of Pakchon, 1950Battle of the Ch'ongch'on River, 1950Battle of Changjin Reservoir, 1950Third Battle of Seoul, 1950First and Second Battles of Wonju, 1950Battle of Hoengsong, 1951Battle of Uijeongbu, 1951Battle of the Twin Tunnels, 1951Battle of Chipyong-ni, 1951Blockade of Wonsan, 1951Operation Thunderbolt, 1951Battle of Maehwa-san, 1951Operation Tomahawk, 1951Battle of Kapyong, 1951Battle of the Imjin River, 1951Battle of Yultong, 1951Battle of the Soyang River, 1951Battle of Bloody Ridge, 1951Battle of the Punchbowl, 1951Battle of Heartbreak Ridge, 1951Naval Battle of the Han River, 1951Battle of Hill 355, 1951First Battle of Maryang-san, 1951Battle of Haktang-ni, 1951Battle of Sunchon, 1951Battle of White Horse, 1952Attack on the Sui-ho Dam, 1952Battle of Hill Eerie, 1952Battle of Old Baldy, 1952Battle of Triangle Hill, 1952Second Battle of the Hook, 1952Battle of Chatkol, 1953Battle for Outpost Vegas, 1953Battle of the Hook, 1953Outpost Harry, 1953Battle of Pork Chop Hill, 1953Battle of Kumsong, 1953Battle of the Samichon River, 195319501953Battle of Pusan Perimeter, 1950
83 placed engagements of the Korean War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date4 August 1950
to 18 September 1950
PlacePusan Perimeter, South Korea
35.100N, 129.040E
KindBattle, Cold War
Strength141,808 total (92,000 combat)98,000 (70,000 combat)
Casualties and losses3,642 killed; 60 tanks; 5 killed; 17 woundedHeavy, but precise number unknown
Commanders
  • Kim Chaek
  • Kim Ung
  • Mu Chong
Battle of Pusan PerimeterBattle of Pusan PerimeterBattle of DadaejinSiege of BusanBattle of Korea StraitSiege of DongnaeBattle of OkpoBattle of Korea StraitSiege of DongnaeDaeguUlsanPohangJeonjuYeosuShimonosekiGyeongju100 km35.100N, 129.040E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1950

Combat data (CDB90)

Attacker: NKOR CORPDefender: US DIV
Strength11,00015,200
Casualties110 (1.0%)430 (2.8%)
Outcomedefender won
Duration2 days
Front width39 km
Attacker advanced1.6 km

From the US Army Concepts Analysis Agency Database of Battles (CDB90, battle 626), 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 Pusan Perimeter 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 Q482979, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of the Pusan Perimeter, revision 1377215824, 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.