battle, major, interwar and Second World War
Battle of Borneo
Battle of Borneo was a battle fought in 1941 at Borneo, in what is now Indonesia; it ran into the following year. Its exact site is not recorded; the atlas places it at Borneo. It was part of the Pacific War, which ran from 1941 to 1945. The recorded result: Japanese victory.
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Where it sits in the Pacific War
Record
| Date | 1941 (year precision) to 1942 | |
|---|---|---|
| Place | Borneo, Indonesia 1.000S, 114.000E | |
| Kind | Battle, interwar and Second World War | |
| Territorial change | Japanese occupation of British Borneo and Dutch Borneo | |
| Strength | 4,500 infantry; 2 heavy cruisers; 1 light cruiser; 6 destroyers; 1 submarine chaser; 1 seaplane tender; 1 minesweeper; 1 submarine; 1 collier; 10 transports | 1,000 Sarawak Force; 1,000 British Punjab Regiment; 1,000 KNIL; 650 police; 5 fighters; Unknown bomber strength; 3 flying boats; 2 submarines |
| Casualties and losses | 567+ casualties; 2 destroyers sunk; 1 minesweeper sunk; 1 collier sunk; 2 transports sunk; 1 transport beached; 1 transport damaged | 2,300 casualties; 1 flying boat destroyed; 1 submarine sunk |
| Commanders |
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The ground today


The recorded site stands at about 0 m; within 10.0 km the ground runs from 0 to 157 m, 157 m of relief, hilly country and today it is 99% tree cover.
Elevation from the Copernicus DEM GLO-30 (ESA, Airbus); land cover from ESA WorldCover 2021 (CC BY 4.0), within about 5 km of the recorded site. Computed, not recorded.Nearest engagements
- Battle of Balikpapan 1942, 315 km E
- Battle of Balikpapan 1945, 318 km E
- Battle of Plaman Mapu 1965, 445 km NW
- Operation Crimson 1944, 458 km E
- Battle of Bau 1965, 505 km NW
In the same war
- Before: Battle of Gurun 14 December 1941
- After: Japanese Invasion of Davao 1941
- All 415 engagements of Pacific War
Elsewhere in 1941
- Operation Barbarossa Lithuania
- Siege of Leningrad Soviet Union
- Battle of Moscow Soviet Union
- Battle of Crete Greece
- Anglo-Soviet invasion of Iran Iran
Battle of Borneo is one of 4,429 engagements of the 20th century in the atlas and one of 106 in present-day Indonesia.
Sources
Identity, coordinates, dates and the war from Wikidata Q339159, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Borneo (1941–1942), revision 1375592807, read 2026-11-15, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.