Which ship did the royal navy sink in 1941?

The German battleship Bismarck was sunk at about 10:30 am on the 27th of May in 1941 by combined efforts from Royal Navy air and water craft.

Other vessels sunk by the Royal Navy in 1941 were:

The German submarine U-147 was sunk at about 10:30 am on the 27th of May in 1941 by destroyer HMS Wanderer and corvette Periwinkle

The German submarine U-556 was sunk on the 27 June in 1941 by corvettes Nasturtium, Celandine, and Gladiolus.

The German submarine U-138 was sunk on the 18th of June in 1941 by destroyers HMS Faulknor, HMS Fearless, HMS Forester, HMS Foresight and HMS Foxhound