The list of shipwrecks in May 1915 includes ships sunk, foundered, grounded, or otherwise lost during May 1915.
World War I: Naval operations in the Dardanelles Campaign: The Majestic-class battleship was torpedoed and sunk by SM U-21 ( Imperial German Navy) in the Dardanelles and sank with the loss of 49 of her 672 crew.
[77] Fraccaroli, Aldo (1970).
Italian Warships of World War I. Allan.
ISBN 9780711001053.