siege, major, interwar and Second World War
Battle of Westerplatte
Battle of Westerplatte was a siege conducted on 1 September 1939 at Westerplatte, in what is now Poland; it lasted 6 days. It was part of World War II, which ran from 1939 to 1945. The recorded result: German victory.
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Where it sits in World War II
Record
| Date | 1 September 1939 to 7 September 1939 | |
|---|---|---|
| Place | Westerplatte, Poland 54.407N, 18.671E | |
| Kind | Siege, interwar and Second World War | |
| Commanders |
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The ground today


The recorded site stands at about 19 m; within 10.0 km the ground runs from -8 to 111 m, 119 m of relief, gently rolling country and today it is 58% water, 22% built-up, 12% 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
- Siege of Danzig 1807, 5.2 km SW
- Siege of Danzig 1813, 5.2 km SW
- Siege of Danzig in 1577 1577, 5.2 km SW
- Siege of Danzig 1734, 5.2 km SW
- Siege of Danzig 1655, 5.2 km SW
Contested ground: this site was fought over 8 times between 1577 and 1939.
In the same war
- Before: 1939 Invasion of Poland 1939
- After: Operation Tannenberg 1939
- All 1155 engagements of World War II
Elsewhere in 1939
- Battles of Khalkhin Gol Mongolia
- Gleiwitz incident Poland
- Italian invasion of Albania Albania
- Battle of Suomussalmi Finland
- Battle of Changsha People's Republic of China
Battle of Westerplatte is one of 4,429 engagements of the 20th century in the atlas and one of 502 in present-day Poland.
Sources
Identity, coordinates, dates and the war from Wikidata Q533034, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Westerplatte, revision 1376572257, read 2026-11-14, 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.