World War I: The fishing smack was scuttled in the North Sea 18 nautical miles (33 km) east of Lowestoft, Suffolk by SM UB-13 (Imperial German Navy). Her crew survived.[1]
World War I: The fishing smack was scuttled in the North Sea 25 nautical miles (46 km) east by south of Lowestoft by SM UB-13 (Imperial German Navy). Her crew survived.[5]
World War I: The fishing smack was scuttled in the North Sea 18 nautical miles (33 km) east by north of Lowestoft by SM UB-13 (Imperial German Navy). Her crew survived.[6]
World War I: The fishing smack was scuttled in the North Sea 26 nautical miles (48 km) east by south of Lowestoft by SM UB-13 (Imperial German Navy). Her crew survived.[7]
The cargo ship collided with Leander (Norway) in the North Sea west of Bergen, Hordaland and sank.[10]
Unknown barges
United States
Two barges went adrift in heavy seas when their tow line to (United States) parted off Boston. A heavy snowstorm then set in during which both sank. All four crew of one of the barges died, the crew of the other were rescued by the United States Coast Guard.[11]
World War I: The fishing smack was scuttled in the North Sea 18 nautical miles (33 km) east of Lowestoft, Suffolk by a Kaiserliche Marine submarine.[17]
World War I: The barque was torpedoed and sunk in the English Channel off Le Havre, Seine-Inférieure by SM UB-18 (Imperial German Navy) with the loss of three of her crew.[28]
Imperial Russian Navy
World War I: The destroyer struck a mine and sank in the Black Sea south of Varna, Bulgaria. Fifteen crew were rescued.[29][30][31]
After a fire and subsequent series of explosions, later attributed to its cargo of calcium carbide, she sunk pierside in Saint John, New Brunswick with the loss of her commander and designer, Captain L. B. Gilham. Refloated within four months.[34]
The schooner was abandoned in the Atlantic Ocean near the English Channel. The derelict was shelled, rammed and abandoned to sink by HMS Swiftsure (Royal Navy) 100 miles (160 km) north of Madeira on 5 July 1916.[38]
United States
The cargo ship sprung leaks in a severe gale off Cape Hatteras on 15 March, sinking on 16 March off Charleston, South Carolina. One lifeboat swamped killing seven crew. 21 survivors rescued by (United States).[39][40][41]
Canada
The schooner ran on the rocks at the Bug light at the entrance to the harbor at Boston, Massachusetts. Refloated and returned to service.[42]
World War I: The Type UC Isubmarine was sunk by the explosion of a mine whilst engaged in minelaying operations off Taranto, Italy. She was later raised by the Italians, repaired, and entered service as X-1.
World War I: The cargo ship was torpedoed and sunk in the North Sea 8 nautical miles (15 km) north east by east of North Foreland, Kent by a Kaiserliche Marine submarine.[14]
World War I: The cargo ship was torpedoed and sunk in the North Sea 2 nautical miles (3.7 km) off the Kentish Knock Lightship (United Kingdom) by SM UB-10 (Imperial German Navy) with the loss of nineteen of her crew.[50]
World War I: The cargo ship was sunk in the North Sea 5 nautical miles (9.3 km) south south east of the (United Kingdom) by SM UB-29 (Imperial German Navy) with the loss of a crew member.[53]
Denmark
World War I: The cargo ship was sunk in the North Sea 5 nautical miles (9.3 km) south south east of the (United Kingdom) by SM UB-29 (Imperial German Navy) with the loss of three of her crew.[54]
World War I: The E-class submarine was last reported in the Heligoland Bight on this date. Believed to have subsequently struck a mine and sank with the loss of all 30 crew.
World War I: The cargo ship struck a mine placed by SM UC-7 (Imperial German Navy) and sank southwest of Kentish Knock Lightvessel (United Kingdom) east of the Thames estuary 7 nautical miles (13 km) north east of North Foreland, Kent with the loss of the master.[14]
Royal Navy
The naval yacht collided with another vessel and sank in The Downs.[65]
World War I: The passenger ferry was torpedoed and damaged in the English Channel by SM UB-29 (Imperial German Navy) with the loss of at least 50 lives. She was beached at Boulogne, Pas-de-Calais. Sussex was repaired post-war and returned to service.
World War I: The Medea-classdestroyer collided with HMS Laverock (Royal Navy) in the North Sea whilst under attack by Luftstreitkrafte aircraft and sank. Her crew were rescued by HMS Laverock.[70][71]
World War I: The fish carrier struck a mine placed by SM UC-5 (Imperial German Navy) and sank in the North Sea 6 nautical miles (11 km) north east of the (United Kingdom) with the loss of nine of her eleven crew.[74][77]
World War I: The cargo ship struck a mine and sank in the North Sea 33 nautical miles (61 km) south east by south of the Spurn Lightship (United Kingdom).[14]
The schooner was driven ashore at The Mumbles, Glamorgan, United Kingdom. Her crew survived. Although later refloated, she was declared a constructive total loss and sold for scrap.[85]
World War I: The ship was torpedoed and sunk in the North Sea off Southwold, Suffolk by SM UB-13 (Imperial German Navy) with the loss of all fourteen crew.[95]
World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) west north west of Ouessant by SM U-44 (Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[14][100]
Norway
World War I: The cargo ship was sunk on the Atlantic Ocean 55 nautical miles (102 km) west by north of Ouessant by SM U-44 (Imperial German Navy). Her crew survived.[101]
^"Imperial and Foreign news items". The Times. No. 41114. London. 15 March 1916. col E, p. 5.
^Chesneau, Roger, and Eugene M. Kolesnik, Conway′s All the World′s Fighting Ships 1860-1905, New York: Mayflower Books, 1979, ISBN0-8317-0302-4, p. 207.
^"American Marine Engineer April, 1916". National Marine Engineers Beneficial Association of the United States. Retrieved 28 October 2020 – via Haithi Trust.
^"Alacrity". Uboat.net. Retrieved 28 October 2012.
^"American Marine Engineer July, 1916". National Marine Engineers Beneficial Association of the United States. Retrieved 2 November 2020 – via Haithi Trust.