HistoryData
Historical ConflictWonju

First and Second Battles of Wonju

UN forces repelled a North Korean offensive at Wonju, stabilizing the central and eastern fronts along the 37th parallel in January 1951.

Duration & Scope

1950 1951

1 year

Key Facts

Duration
December 31, 1950 – January 20, 1951
Theater
Central and eastern fronts, Korean War
Front stabilized at
37th parallel
Attacker
KPA V Corps and KPA II Corps
Defender
US X Corps under Maj. Gen. Edward Almond

Strategic Narrative Overview

On December 31, 1950, a combined PVA and KPA assault broke UN defenses at Chuncheon. KPA V Corps then drove directly on Wonju while KPA II Corps infiltrated UN rear areas, waging guerrilla warfare to disrupt supply lines and communications. US X Corps under Major General Edward Almond mounted a stiff defense, inflicting heavy losses on KPA V Corps at Wonju and subsequently conducting anti-guerrilla sweeps against KPA infiltrators throughout the region.

01 / The Origins

During the Third Phase Campaign of the Korean War, Chinese and North Korean forces launched a coordinated New Year's offensive. While Chinese People's Volunteer Army forces struck the western front and captured Seoul, the North Korean Korean People's Army aimed to seize Wonju on the central front to collapse UN defensive lines and open the road into the eastern and southern regions of South Korea.

03 / The Outcome

By January 20, 1951, the battle concluded with UN forces successfully holding Wonju. KPA formations on the central and eastern fronts suffered severe attrition, effectively breaking the North Korean offensive capacity in that sector. The UN line was consolidated along the 37th parallel, enabling a subsequent UN counteroffensive and contributing to the broader stabilization of the Korean front after the initial Chinese intervention.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Korean People's Army (KPA)

Side B

1 belligerent

United Nations / US X Corps
Key Commanders

Edward Almond.

Outcome
UN victory; KPA forces decimated on central and eastern fronts; UN line stabilized at 37th parallel

Kinetic Engagement Axis

Major engagements timeline (1950–1951)Timeline of major military engagements plotted chronologically.195019511950First Battle of …Side B1951Second Battle of…Side B1950KPA Breakthrough…Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Wonju, South KoreaMap of Wonju, South KoreaWonju, South Korea