I found this article about the 1945 Wilhelm Gustloff disaster gripping. Do read to the end.

The sinking of the Wilhelm Gustloff remains the world’s worst ever maritime disaster, yet a little known footnote in the history of the Second World War. RAY KERSHAW explores its complex legacy
— Read on www.theneweuropean.co.uk/top-stories/voyage-of-the-doomed-the-unknown-story-of-the-world-s-worst-maritime-disaster-1-6479947