I posted a memorial about H.M.S. Hood several days ago. This post is a memorial to the crew of the German battleship Bismarck.
Here is a good link covering the Bismarck’s final battle.
This YouTube video is a recreation of the Bismarck’s final battle
Find-A-Grave Bismarck memorial in Kiel, Germany. Researchers found the Bismarck in 1989 and several subsequent expeditions have added new information.
Here is a YouTube video of the 2002 expedition (it’s about 1.5 hours long).