Atlas of Battles

siege, interwar and Second World War

Siege of Gdynia

Siege of Gdynia was a siege conducted on 8 September 1939 at Gdynia, in what is now Poland; it lasted 5 days. It was part of the 1939 Invasion of Poland. The recorded result: German victory. Recorded strength: 39,000 against 14,700.

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German battleship Schleswig-Holstein during a shellfire of Polish garrison Westerplatte in Gdańsk on 1 September 1939. Better quality photo:https://www.tygodnikpowszechny.pl/files/7991a9e80d8eb078dbc7
German battleship Schleswig-Holstein during a shellfire of Polish garrison Westerplatte in Gdańsk on 1 September 1939. Better quality photo:https://www.tygodnikpowszechny.pl/files/7991a9e80d8eb078dbc7. Unknown authorUnknown author, Public domain, via Wikimedia Commons.
Fought8 September 1939lasted 5 days
WhereGdynia, Poland54.500N, 18.550E
OutcomeGerman victory
BelligerentsNazi GermanyagainstSecond Polish Republic
Casualties and lossesc. 3,000 deadandc. 5,000 killed, missing or wounded
Part of1939 Invasion of Poland1939

Where it sits in the 1939 Invasion of Poland

Battle of Wizna, 1939Battle of Łódź, 1939Battle of Cześniki, 1939Battle of Mikołów, 1939Battle of Pszczyna, 1939Battles of Parczew, Jabłoń and Milanów, 1939Battle of Westerplatte, 1939Defense of the Polish Post Office in Danzig, 1939Battle of Mława, 1939Charge at Krojanty, 1939Defense of the Coast of Poland in the September Campaign, 1939Battle of Mokra, 1939Battle of the Border, 1939Battle of Chojnice, 1939Battle of Lasy Królewskie, 1939Battle of Węgierska Górka, 1939Battle of Grudziądz, 1939Battle of Jordanów, 1939Battle of Częstochowa, 1939Battle of Borowa Góra, 1939Defense of Katowice, 1939Battle of Piotrków Trybunalski, 1939Battle of Różan, 1939Battle of Tuchola Forest, 1939Battle of Tomaszów Mazowiecki, 1939Battle of Pułtusk, 1939Battle of Krasną, 1939Battle of Łomża, 1939Siege of Warsaw, 1939Battle of Radom, 1939Siege of Gdynia, 1939Defense of Ochota and Wola (1939), 1939Battle of Wola Cyrusowa, 1939Battle of Odrzywoł, 1939Battle of the Bzura, 1939Battle of Hel, 1939Battle of Kampinos Forest, 1939Battle of Kępa Oksywska, 1939Battle of Mrogą, 1939Trip to Wawrzyszew, 1939Battle of Przemyśl, 1939Battle of Kałuszyn, 1939Raid on Okęcie and Załuski, 1939Battle of Modlin, 1939Battle of Kobryń, 1939Battle of Jaworow, 1939Battle of Biłgorajem, 1939Battle of Wilno, 1939Battle of Wólka Węglowa, 1939Battle of Grodno, 1939Battle of Kamionka Strumiłowa, 1939Battle of Krasnobród, 1939Battle of Husynne, 1939Battle of Rawa Ruska, 1939Battle of Władypol, 1939Battle of Szack, 1939Battle of Wytyczno, 1939Battle of Kock, 193919391939Siege of Gdynia, 1939
59 placed engagements of the 1939 Invasion of Poland in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date8 September 1939
to 13 September 1939
PlaceGdynia, Poland
54.500N, 18.550E
KindSiege, interwar and Second World War
Strength39,00014,700
Casualties and lossesc. 3,000 deadc. 5,000 killed, missing or wounded
Commanders
  • Józef Unrug
  • Stanisław Dąbek
Siege of GdyniaSiege of GdyniaBattle of Kępa OksywskaBattle of WesterplatteSiege of DanzigSiege of DanzigSiege of Danzig in 1577Battle of Kępa OksywskaSiege of DanzigKaliningradGrudziądzOlsztynKoszalin100 km54.500N, 18.550E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1939

Siege of Gdynia is one of 2,997 engagements of the 20th century in the atlas and one of 469 in present-day Poland.

Sources

Identity, coordinates, dates and the war from Wikidata Q98107490, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Gdynia, revision 1371162379, 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.