I've just started watching World War II with Tom Hanks and about 2 seconds into the show I see this amazing image! I double-checked it because I thought it might be just blended images from somewhere else. But apparently according to ChatGPT (below), this really was a thing in Poland. Looks like about 120m offshore, engaging land targets with 11-inch shells, I guess you'd call that direct fire HE, not sure what size template to use though!
ChatGPT:
Yes — that footage is almost certainly genuine footage of the German battleship Schleswig-Holstein firing on Westerplatte at Danzig (Gdańsk) on 1 September 1939. So the documentary's Poland context is historically sound.
The ship in your screenshot matches the Schleswig-Holstein, an elderly Deutschland-class pre-dreadnought battleship dating from before the First World War. By 1939 it was primarily being used as a training ship, but still carried its heavy armament. The German Federal Archives specifically catalogue photographs of Schleswig-Holstein firing on Westerplatte in September 1939. (Stasi-Unterlagen-Archiv)
The circumstances are particularly interesting. On 25 August 1939, Schleswig-Holstein sailed into the harbour of the Free City of Danzig, supposedly on a ceremonial visit. In reality, it was loaded with ammunition and had about 225 naval assault troops secretly aboard. It was positioned in the harbour channel opposite the Polish installation at Westerplatte. (Przystanek Historia)
Then, at about 4:47–4:48 am on 1 September, it opened fire on the Polish Military Transit Depot at Westerplatte. The German Federal Archives gives approximately 4:47; the Museum of the Second World War in Gdańsk gives 4:48. (Stasi-Unterlagen-Archiv)
So what you're looking at really is basically:
A battleship sitting inside a harbour firing naval artillery almost point-blank at a land position.
And we're talking substantial guns. Schleswig-Holstein's main battery consisted of four 28 cm (11-inch) guns, plus its secondary artillery. German naval records for the opening fighting record the ship firing 28 cm, 15 cm and 8.8 cm ammunition against the Westerplatte positions. (Uboat Data)
There's a geographical wrinkle worth mentioning. Westerplatte was Polish, but it wasn't simply an ordinary part of Poland. It was a Polish military enclave inside the Free City of Danzig, which was under League of Nations arrangements. Modern Gdańsk is of course in Poland.
And this is why that sequence is right at the beginning of the Tom Hanks documentary. The History Channel describes Episode 1 specifically as beginning with Germany's September 1939 invasion of Poland, and the shelling of Westerplatte is traditionally regarded as the symbolic opening of World War II in Europe. (HISTORY)
One small historical qualification: you'll often hear that Schleswig-Holstein fired "the first shots of World War II." That's the traditional account, but historians debate the exact timing of several German attacks that morning, including Luftwaffe operations. So "among the first shots, and the conventional opening of the war" is the safest description.
Incidentally, the view in your screenshot makes perfect sense. Those railway tracks, warehouses and quay immediately beside the ship aren't some unrelated harbour footage — Schleswig-Holstein really was firing from inside the Danzig harbour complex, not sitting offshore miles away.
If you'd like, I can also find you a 1939 map/aerial photograph showing exactly where the Schleswig-Holstein was sitting, where the camera in your shot probably was, and where Westerplatte was across the harbour channel. It's quite striking how close the ship actually was.
