6 ATLASES

History of East Timor in maps

East Timor as it appears in 6 interactive history atlases, from 1917 to 1991: East Timor, Portuguese Timor. Each era below lists who ruled the land and when control changed, linked to the dated map that shows it.

Open this map in the interactive atlas →

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Map of Asia and the Pacific in May 1942, showing East Timor — MAP OF ASIA AND THE PACIFIC IN MAY 1942

These maps are reconstructed from published sources · US Army Center of Military History — American Military History, The War Against Japan · US War Department — Atlas of the World Battle Fronts (1945) · 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
United States War Department, General Staff,1945. US Army official work; 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: 1936–1937 · reconstruction: 1936–1937 source state · reconstruction: 1942 · reconstruction: 1942.4 · reconstruction: May1942 regional campaign perimeter · vector: 1890–1978 · vector: 1890–2023 · vector: 1939–1943 · vector: 1939–1946

Layer records and reconstruction methods

What was East Timor before it was East Timor? The sections below follow this land through every era covered by the Maps of History atlases: who ruled it, what it was called, and when control changed. Each line links to the dated map. Modern borders serve as an approximation, as each atlas says on the map itself.