Franco-Thai War

October 1940 – May 9, 1941 · French Indochina

Result Indecisive

Thailand fought Vichy France over disputed lands in French Indochina. France won at sea at Ko Chang, but Japan imposed a settlement that gave Thailand parts of Cambodia and Laos.

On the map Overview Contemporaries

Vichy France

Thailand

Other

Vichy France

French Indochina

Thailand

Jean Decoux military commander

Plaek Phibunsongkhram belligerent leader

Sindh Kamalanavin military commander

Phichit Kriangsakphichit military commander

Strength and losses

Strength: 50,000
Casualties: 721
Tanks: 20
Aircraft: 100
Ships: 1

Vichy France Killed c. 700

Strength: 60,000
Casualties: 418–703
Tanks: 134
Aircraft: 140

Thailand Killed c. 700

Killed: c. 1,400

Units

Royal Thai Army Royal Thai Navy Royal Thai Air Force

French Foreign Legion

Battles 1

Battle of Ko Chang January 16–17, 1941 · French victory

Also involved 4

Ananda Mahidol participant · Thailand
Prem Tinsulanonda participant · Thailand
Thanom Kittikachorn participant · Thailand
Thawan Thamrongnawasawat participant · Thailand