Key Facts
- Duration
- 1942–1945 (approximately 3 years)
- Peak Allied force size
- ~1,000,000 land and air forces
- African colonial troops
- 100,000 East and West African troops
- Campaign phases
- 4 distinct phases
- Theatre
- South-East Asian theatre of World War II
Strategic Narrative Overview
Japan swiftly expelled British, Indian, and Chinese forces from Burma in 1942. Allied counter-offensives from late 1942 to early 1944 repeatedly failed due to difficult terrain, disease, monsoon seasons, and logistical shortfalls. The 1944 Japanese invasion of India was halted at the decisive battles of Imphal and Kohima. Intensified Allied operations thereafter, drawing on British Indian, African, and Chinese forces, reversed Japanese gains and began the systematic recapture of Burma.
01 / The Origins
Japan's expansionist drive into South-East Asia under its Greater East Asia Co-Prosperity Sphere policy brought Imperial Japanese forces into British Burma in 1942. Japan exploited local independence movements, sponsoring the Burma Independence Army and aligning with the Provisional Government of Free India. The strategic importance of Burma as a supply route to China and a buffer for British India made it a critical theatre for both Allied and Japanese planners.
03 / The Outcome
A successful Allied offensive from late 1944 through mid-1945 liberated Burma from Japanese occupation. The Burma National Army revolted against Japanese control in 1945, aiding the Allied advance. Japan's expulsion ended its puppet State of Burma and removed the threat to British India. The campaign restored British colonial administration but accelerated Burmese nationalist aspirations for full independence, which was achieved in 1948.
Belligerents & Mobilization Analysis
Side A
3 belligerents
Side B
3 belligerents
Joseph Stilwell, Chiang Kai-shek, William Slim.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.