HistoryData
war1938

Large-scale battle of the Second Sino-Japanese War over 4 months in 1938

October 27, 1938

The largest and bloodiest battle of the Second Sino-Japanese War, its conclusion triggered a strategic stalemate that prolonged the conflict until 1945.

Quick Facts

Year
1938
Category
war

Key Facts

Duration
Four and a half months (1938)
Chinese troops deployed
Over 1,000,000 troops
Chinese casualties
Up to 1,000,000 military and civilian casualties
Provinces involved
Anhui, Henan, Jiangxi, Zhejiang, Hubei
Outcome
Japanese capture of Wuhan

By the Numbers

1,938
Duration
1,000,000troops
Chinese troops deployed
1,000,000casualties
Chinese casualties

Location

Map of Wuhan, ChinaMap of Wuhan, ChinaWuhan, China

Cause → Event → Consequence

Cause

Japan's campaign to seize China's industrial and political heartland drove its Central China Area Army, under General Shunroku Hata, to advance on Wuhan, the temporary seat of the Chinese Nationalist government. China mobilised over one million National Revolutionary Army troops under Chiang Kai-shek across the Fifth and Ninth War Zones to resist the offensive.

Event

From June to late October 1938, Japanese and Chinese forces clashed across five provinces in the largest, longest, and bloodiest engagement of the entire Second Sino-Japanese War. Chinese defenders, supported by Soviet Volunteer Group pilots, contested the advance at tremendous cost before Japanese forces ultimately captured Wuhan on 27 October 1938.

Consequence

China suffered up to one million casualties, while Japan endured its heaviest losses of the war. Faced with unsustainable attrition, Japan shifted focus northward rather than pursuing total conquest, ending the era of large pitched battles and initiating a strategic stalemate that persisted until Japan's entry into the broader Pacific conflict after Pearl Harbor.

Belligerents & Mobilization Analysis

Side A

2 belligerents

Republic of China (National Revolutionary Army)Soviet Volunteer Group
Peak Mobilized Forces~1.0M
Estimated Casualties~1.0M
Casualty Rate100.0%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Chiang Kai-shek.

Side B

1 belligerent

Imperial Japan (Central China Area Army)
Key Commanders

Shunroku Hata.

Total Casualties (all sides)
1,000,000
Outcome
Japanese victory; capture of Wuhan by Imperial Japanese forces

Timeline Context

Timeline around 19381938193519361937193919401941EuroBasket 1938 Women — 1938 edition of Eurobasket WomenBattle of Northern and Eastern HenanCanadian kid's gravity-powered racing program1938 Soviet–Japanese border conflict1938 FIFA World Cup qualification — qualification rounds for the 1938 FIFA World Cup1938 World Men's Handball Championship — 1938 edition of the World Men's Handball Championship1938 British Empire Games — multi-sport event in Sydney, Australia1938 European Athletics Championships — 1938 edition of the European Athletics Championshipsbattle-of-wuhan-1938