The War Room — WW2, 1936–1945 · THE MAP IN SEP 1940

Map of Asia and the Pacific in September 1940

The southern temptation · WW2

Asia and the Pacific in September 1940: The southern temptation. Since July 1937, 3 territories changed status on this map: Vietnam, Laos and Cambodia.

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Map of Asia and the Pacific in September 1940 (WW2): The southern temptation. Colours show Western Allies, Axis powers, Axis allies & puppets. — SEP 1940 · THE WAR ROOM — WW2, 1936–1945

These maps are reconstructed from published sources · US Army Center of Military History — American Military History, The War Against Japan · Cliopatria v0.2.1 — dated political boundaries · Natural Earth — physical reference geography

Source details

Office of the Chief of Military History,1969, chapter23. Official US Army text and maps; public domain
Cliopatria contributors / Seshat Global History Databank. CC BY4.0 · Dated polity and constituent territory selections; campaign-dependent occupation overlays reconstructed separately.
Natural Earth. Public domain

The separately published Tibetan polity remains neutral. The authored modern-China interaction region does not make Tibet a Chinese battlefield or Allied-controlled territory.

reconstruction: 1905–1942 · reconstruction: 1936–1937 · reconstruction: 1936–1937 source state · reconstruction: 1940 · reconstruction: 1940.75 · reconstruction: 1940–1942 · vector: 1890–1978 · vector: 1890–2023 · vector: 1915–1940 · vector: 1932–1955 · vector: 1939–1943 · vector: 1939–1946

Layer records and reconstruction methods

What changes on the map

Vietnam	Western Allies → Axis allies & puppets
Laos	Western Allies → Axis allies & puppets
Cambodia	Western Allies → Axis allies & puppets

On the ground

Coastal areas and major cities under Japanese occupation

Related maps

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