15th March 1918
Eastern Front
Germans occupy Nicolaiev (Odessa).
German Protectorate over independent Courland announced.
Naval
After an extensive conversion, HMS "Furious" re-enters service with the Royal Navy as the world's first aircraft carrier with aircraft lifts (elevators).
Closeup of the ship shortly following its initial conversion and in dazzle paint scheme. An SSZ class blimp is on the after deck.
Political, etc.
Publication by "Politiken" of Prince Lichnowsky's memorandum.
Strikes in Austro-Hungary.
Ship Losses:
Adriatico (Italy) The cargo ship collided with a British merchant vessel and sank.
Alessandra (Italy) The full-rigged ship was scuttled in the Atlantic Ocean west of Madeira, Portugal (33°21′N 21°00′W) by
SM U-153 ( Kaiserliche Marine).
Amazon (United Kingdom) The ocean liner was torpedoed and sunk in the Atlantic Ocean off Malin Head, County Donegal (55°49′N 8°06′W) by
SM U-110 ( Kaiserliche Marine). Her crew survived.
Armonia (Canada) The cargo ship was torpedoed and sunk in the Mediterranean Sea 38 nautical miles (70 km) off Porquerolles, Var, France by
SM UC-67 ( Kaiserliche Marine) with the loss of seven of her crew.
Carrie A. Lane (United States) The schooner foundered in the Gulf of Guinea off Assinie, French West Africa.[
Clan Macdougal (United Kingdom) The cargo ship was sunk in the Mediterranean Sea 60 nautical miles (110 km) south of Cape Carbonara, Sardinia, Italy by
SM UB-49 ( Kaiserliche Marine) with the loss of 33 crew.
Severn (United Kingdom) The coaster collided with the Widnes-Runcorn Transporter Bridge and sank in the River Mersey with the loss of all three crew.
Sparkling Foam (United Kingdom) The three-masted sailing vessel was scuttled in the English Channel 9 nautical miles (17 km) south east of Beer Head, Devon by
SM UB-33 ( Kaiserliche Marine). Her crew survived.
SM U-110 (Kaiserliche Marine) The Type U 93 submarine was depth charged and sunk in the Atlantic Ocean off Malin Head (54°49′N 8°06′W) by
HMS Michael and
HMS Moresby (both Royal Navy) with the loss of all 39 crew.
SM UB-106 (Kaiserliche Marine) The Type UB III submarine sank at Kiel, Schleswig-Holstein (54°42′N 10°09′E) with the loss of all 35 crew. She was raised on 18 March, repaired and returned to service.