Shipwreck --> Blücher

Edit: 1937-1940, Kriegsmarine Heavy Cruiser Blücher. Sunk by coastal artillery and a stationary torpedo battery in the Oslofjord of Norway 9. april 1940.

edit2:

The biggest artillery guns (28cm) on Oscarsborg Fortress was bought in 1892, and made (ironically) in Germay, by Krupp.