World War I: The barque was sunk in the English Channel 70 nautical miles (130 km) west of the Casquets, Channel Islands by SM U-19 (Imperial German Navy). Her crew survived.[2]
World War I: The cargo ship was sunk in the Barents Sea 110 nautical miles (200 km) north west by north of the North Cape, Norway by SM U-28 (Imperial German Navy).[5]
United Kingdom
World War I: The cargo ship struck a mine and sank in the English Channel 4 nautical miles (7.4 km) south east of The Lizard, Cornwall. Her crew survived.[6]
World War I: The cargo ship was sunk in the English Channel 5 nautical miles (9.3 km) south east of Berry Head, Devon, United Kingdom by SM UC-65 (Imperial German Navy). Her crew survived.[8]
Imperial German Navy
World War I: The Hameln-class Vorpostenboot was beached after being damaged by Royal Navy destroyers off .[9]
World War I: The auxiliary sailing vessel was scuttled in the Atlantic Ocean 130 nautical miles (240 km) north west of Cape Finisterre, Spain (46°00′N11°04′W / 46.000°N 11.067°W / 46.000; -11.067) by SM UB-49 (Imperial German Navy). Her crew survived.[11]
World War I: The fishing vessel was scuttled in the Atlantic Ocean 70 nautical miles (130 km) west of Ar Men, Finistère by SM UC-69 (Imperial German Navy). Her crew survived.[13]
United Kingdom
World War I: The cargo ship was shelled and sunk in the Barents Sea 85 nautical miles (157 km) north by east of the North Cape, Norway (72°34′N27°56′E / 72.567°N 27.933°E / 72.567; 27.933) by SM U-28 (Imperial German Navy) with the loss of a crew member.[14]
World War I: The Type U 27submarine was sunk in the Barents Sea 85 nautical miles (157 km) north by east of the North Cape (72°34′N27°56′E / 72.567°N 27.933°E / 72.567; 27.933) by the explosion of the cargo of munitions aboard , (United Kingdom) which it had attacked. All 39 crew were killed.
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 36 nautical miles (67 km) (47°00′N3°23′W / 47.000°N 3.383°W / 47.000; -3.383) by SM U-52 (Imperial German Navy) with the loss of a crew member. Three survivors were taken as prisoners of war.[17]
World War I: The cargo ship was torpedoed and sunk in the North Sea 14 nautical miles (26 km) south by east of Flamborough Head, East Riding of Yorkshire by SM UB-30 (Imperial German Navy) with the loss of fifteen crew.[24]
United Kingdom
World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 2 nautical miles (3.7 km) east south east of the , South Uist, Outer Hebrides with the loss of 27 crew.[25]
United States
The five-masted schooner was abandoned in the Atlantic Ocean. She sank the next day.[26]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean south west of the Bishop Rock, Isles of Scilly (49°11′N7°16′W / 49.183°N 7.267°W / 49.183; -7.267) by SM U-52 (Imperial German Navy) with the loss of five crew. Three survivors were taken as prisoners of war.[28]
France
World War I: The three-masted schooner was sunk in the Atlantic Ocean 42 nautical miles (78 km) south south west of the Isles of Scilly by SM UC-69 (Imperial German Navy). Her crew were rescued by HMS Landrail (Royal Navy) and Montana (United States).[29]
World War I: The passenger ship was torpedoed and damaged in the Atlantic Ocean 40 nautical miles (74 km) north west of Ouessant, Finistère by SM UC-69 (Imperial German Navy). She was sunk the next day by SM UC-50 (Imperial German Navy).[31]
United Kingdom
World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 40 nautical miles (74 km) north east of Ouessant by SM U-52 (Imperial German Navy) with the loss of nine crew.[16][32]
Emma
United Kingdom
World War I: The sailing vessel was shelled and sunk in the English Channel 8 nautical miles (15 km) north of Sept-Îles, Finistère, France by SM UC-50 (Imperial German Navy).[16][33]
Royal Navy
World War I: The naval trawler struck a mine and sank in the North Sea off Orfordness, Suffolk with the loss of two of her crew.[34]
United Kingdom
World War I: The schooner was shelled and sunk in the English Channel 10 nautical miles (19 km) north of Sept-Îles by SM UC-50 (Imperial German Navy). Her crew survived.[16][35]
Frances
United Kingdom
World War I: The ketch was scuttled in the English Channel 8 nautical miles (15 km) north by west of Sept-Îles by SM UC-50 (Imperial German Navy). Her crew survived.[16][36]
United Kingdom
World War I: The schooner was shelled and sunk in the English Channel 32 nautical miles (59 km) north west of the Les Hanois Lighthouse, Guernsey, Channel Islands by SM UC-42 (Imperial German Navy). Her crew survived.[16][37]
United Kingdom
World War I: The schooner was shelled and sunk in the English Chaanel 20 nautical miles (37 km) north west of the Les Hanois Lighthouse by SM UC-42 (Imperial German Navy). Her crew survived.[16][38]
Jeannot
Belgium
World War I: The fishing vessel was scuttled in the North Sea off Lowestoft, Suffolk by SM UB-10 (Imperial German Navy). Her crew survived.[39]
Margaret
United Kingdom
World War I: The trawler struck a mine and sank in the North Sea off Wick, Caithness with the loss of five of her crew.[40]
World War I: The sailing vessel was scuttled in the English Channel 13 nautical miles (24 km) north by west of Sept-Îles by SM UC-50 (Imperial German Navy). Her crew survived.[42]
World War I: The Type U 87submarine struck a mine and sank in the North Sea off Terschelling, Friesland, Netherlands with the loss of all 43 crew.
Unity
United Kingdom
World War I: The fishing smack was scuttled in the North Sea 8 nautical miles (15 km) east of the (United Kingdom) by SM UB-10 (Imperial German Navy). Her crew survived.[40][43]
World War I: The cargo ship was scuttled in the North Sea by SM UB-62 (Imperial German Navy). Her eleven crew took to the lifeboats but were not rescued.[47]
Royal Navy
World War I: The naval trawler struck a mine and sank in the with the loss of ten of her twelve crew.[48]
World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 3 nautical miles (5.6 km) off Eagle Island, County Mayo with the loss of ten of her crew.[52]
World War I: The cargo ship was torpedoed and damaged in the North Sea 4 nautical miles (7.4 km) south west by west of Flamborough Head, Yorkshire by SM UB-34 (Imperial German Navy). She was beached, but was later refloated, repaired and returned to service.[58]
Norway
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 3 nautical miles (5.6 km) east south east of Land's End, Cornwall, United Kingdom by SM UB-35 (Imperial German Navy) with the loss of three of her crew.[59]
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) west south west of Cape Spartel (35°10′N6°50′W / 35.167°N 6.833°W / 35.167; -6.833) by SM UB-49 (Imperial German Navy) with the loss of three of her crew.[16][21][61]
World War I: The vessel was sunk in the Bay of Biscay off the mouth of the Loire by SM UC-71 (Imperial German Navy).[63]
United Kingdom
World War I: The cargo ship was damaged in the Mediterranean Sea (37°10′N6°51′E / 37.167°N 6.850°E / 37.167; 6.850 by SM UC-54 (Imperial German Navy) with the loss of two of her crew. She was beached at Philippeville, Algeria but was later refloated.[64]
World War I: The four-masted barque was sunk in the Atlantic Ocean 40 nautical miles (74 km) south west of the Bishop Rock by SM UC-16 (Imperial German Navy). Her crew survived.[66]
8 September[]
List of shipwrecks: 8 September 1917
Ship
Country
Description
Norway
World War I: The coaster was sunk in the North Sea 5 nautical miles (9.3 km) north by west of Flamborough Head, Yorkshire, United Kingdom by SM UB-34 (Imperial German Navy) with the loss of a crew member.[67]
Armorique
France
World War I: The sailing vessel was sunk in the Atlantic Ocean north of Ouessant, Finistère by SM UB-35 (Imperial German Navy).[68]
World War I: The schooner was sunk in the Atlantic Ocean north of Ouessant by SM UB-35 (Imperial German Navy).[70]
Elizabeth
United Kingdom
World War I: The schooner was scuttled in the English Channel 12 nautical miles (22 km) east south east of Start Point, Devon by SM UB-31 (Imperial German Navy). Her crew survived.[71]
World War I: The vessel was scuttled in the North Sea 28 nautical miles (52 km) east of Peterhead, Aberdeenshire by SM UC-40 (Imperial German Navy).[40][73]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the North Sea 4 nautical miles (7.4 km) south east of Whitby, Yorkshire by SM UB-41 (Imperial German Navy) with the loss of two of her crew.[74]
United Kingdom
The collier collided with another British merchant ship and sank in the English Channel off The Lizard, Cornwall.[21][75]
United Kingdom
World War I: The ketch was scuttled in the English Channel 25 nautical miles (46 km) north of Fécamp, Seine-Inférieure by SM UC-51 (Imperial German Navy). Her crew survived.[16][76]
Lighter No. 2
United States
The Lighter sank at the wharf of , East Boston, Massachusetts.[77]
Russia
World War I: The schooner was sunk in the Atlantic Ocean north of Ouessant by SM UB-35 (Imperial German Navy).[78]
United Kingdom
World War I: The cargo ship was sunk in the English Channel 1 nautical mile (1.9 km) south of Start Point, Devon by SM UC-30 (Imperial German Navy) with the loss of twenty of her crew.[79]
World War I: The barque was torpedoed and sunk in the Atlantic Ocean 6 nautical miles (11 km) off Kinsale, County Cork, United Kingdom by SM U-48 (Imperial German Navy) with the loss of five crew.[82]
Montana
United States
The steamer sank in the Mediterranean Sea between Tunis, French Tunisia, and Malta.[83]
Norway
World War I: The cargo ship was torpedoed and sunk in the English Channel 6 nautical miles (11 km) east south east of Start Point, Devon by SM UB-31 (Imperial German Navy) with the loss of ten of her crew.[84]
United Kingdom
World War I: The coaster was torpedoed and sunk in the North Sea 1 nautical mile (1.9 km) off the (United Kingdom) by a Luftstreitkräfte aircraft.[16]
United Kingdom
World War I: The coaster struck a mine and sank in Shapinsay Sound, Orkney Islands with the loss of a crew member.[85]
10 September[]
List of shipwrecks: 10 September 1917
Ship
Country
Description
United Kingdom
The cargo ship ran aground on the Danae Shoal, off Lourenço Marques, Mozambique. She broke in two and was a total loss.[75] All 259 passengers, and her crew, were rescued.[86]
World War I: The cargo ship struck a mine and was severely damaged in the North Sea 1 nautical mile (1.9 km) south of the Bressay Lighthouse, Shetland Islands. She was repaired and returned to service in 1921.[91]
The cargo ship was sunk in the North Sea 1.25 nautical miles (2.32 km) south east of the Bressay Lighthouse by SM UC-40 (Imperial German Navy). Her crew survived.[95]
Sims
Russia
World War I: The tug struck a mine and sank in the Baltic Sea off Worms Island.[96]
World War I: The cargo ship was sunk in the Atlantic Ocean 150 nautical miles (280 km) west of Cape Spartel, Morocco by SM U-63 (Imperial German Navy). Her crew survived.[99]
World War I: The fishing smack was scuttled in the Atlantic Ocean 4 nautical miles (7.4 km) north west by west of Crackington Haven, Cornwall by SM UC-51 (Imperial German Navy). Her crew survived.[40][101]
World War I: The schooner was scuttled in the Bristol Channel 15 nautical miles (28 km) west north west of Lundy Island, Devon by SM U-19 (Imperial German Navy). Her crew survived.[16][105]
Royal Navy
World War I: The naval trawler struck a mine and sank in the North Sea off Bressay, Shetland Islands with the loss of seven of her crew.[106]
Charles Frederick
United States
The Barge sank at the wharf of the Yard, Bridgeport, Connecticut.[77]
The Bars-classsubmarine ran aground off "Ayret Island", in the Baltic Sea. She was refloated on 25 September with assistance from Volkhov (Russia) and taken in to Reval for repairs.[108]
World War I: The cargo ship was sunk in the Mediterranean Sea 4 nautical miles (7.4 km) off Cape Palos, Murcia Spain (37°39′N0°32′W / 37.650°N 0.533°W / 37.650; -0.533) by SM U-64 (Imperial German Navy). Her crew survived.[110]
and RB 10
United Kingdom
World War I: The tug and refrigeratedbarge were scuttled in the Atlantic Ocean 18 nautical miles (33 km) west by north of , Portugal by SM UB-50 (Imperial German Navy). Her crew survived, but four of them were taken as prisoners of war.[111][112]
Norway
World War I: The cargo ship was sunk in the Atlantic Ocean off Cape St. Vincent, Portugal by SM U-63 (Imperial German Navy). Her crew survived.[113]
United Kingdom
World War I: The passenger ship was torpedoed and sunk in the Norwegian Sea 30 nautical miles (56 km) south east of Lítla Dímun, Faroe Islands by SM U-103 (Imperial German Navy) with the loss of five crew.[114]
World War I: The Type U 43submarine was torpedoed and sunk in the Atlantic Ocean north west of the Shetland Islands, United Kingdom (55°48′N7°30′W / 55.800°N 7.500°W / 55.800; -7.500) by HMS D7 (Royal Navy) with the loss of 43 of her 45 crew.
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) north by east of Cape Palos (37°52′N0°28′W / 37.867°N 0.467°W / 37.867; -0.467) by SM U-64 (Imperial German Navy) with the loss of three crew.[16][115]
United States
World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 4 nautical miles (7.4 km) north east of the Hornigas Lighthouse, Cape Palos, Spain (37°41′N0°31′W / 37.683°N 0.517°W / 37.683; -0.517) by SM U-64 (Imperial German Navy). Her crew survived.[116]
13 September[]
List of shipwrecks: 13 September 1917
Ship
Country
Description
Arlequin
Tunisia
World War I: The sailing vessel was sunk in the Gulf of Gabès by SM UC-52 (Imperial German Navy). Her crew survived.[117]
Chère Rose
Tunisia
World War I: The sailing vessel was sunk in the Gulf of Gabès by SM UC-52 (Imperial German Navy).[118]
Comizianes da Graca
Portugal
World War I: The sailing vessel was sunk in the Atlantic Ocean 6 nautical miles (11 km) north of by SM UB-50 (Imperial German Navy).[119]
Correiro de Sines
Portugal
World War I: The sailing vessel was sunk in the Atlantic Ocean off the coast of Portugal by SM UB-50 (Imperial German Navy).[120]
Ortigia
Tunisia
World War I: The sailing vessel was sunk in the Gulf of Gabès by SM UC-52 (Imperial German Navy).[121]
World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) south west by west of , Spain (40°54′N1°04′E / 40.900°N 1.067°E / 40.900; 1.067) by SM U-64 (Imperial German Navy). Her crew survived.[16][125]
The D-classsubmarine sprang a leak and sank at , Connecticut. Her crew survived. She was subsequently refloated, repaired and returned to service.[77]
United States
The Schooner barge went ashore at South Wellfleet, Massachusetts. Abandoned by owners.[77][126]
Sado
Portugal
World War I: The ship was sunk in the Atlantic Ocean 15 nautical miles (28 km) south west of by SM UB-50 (Imperial German Navy).[127]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 8 nautical miles (15 km) south by west of by SM UC-51 (Imperial German Navy). Her crew survived.[16][128]
15 September[]
List of shipwrecks: 15 September 1917
Ship
Country
Description
United Kingdom
World War I: The schooner was scuttled in the Atlantic Ocean off The Lizard, Cornwall by SM UB-38 (Imperial German Navy). Her crew survived.[16][129]
United Kingdom
World War I: The cargo ship was torpedoed and damaged in the North Channel (56°40′N10°50′W / 56.667°N 10.833°W / 56.667; -10.833) by SM U-67 (Imperial German Navy) with the loss of four crew. She was beached but was later refloated.[130]
World War I: The cargo ship was torpedoed and sunk in the North Sea 80 nautical miles (150 km) east north east of Muckle Flugga, Shetland Islands by SM U-48 (Imperial German Navy). Her crew survived.[134]
World War I: The cargo ship struck a mine and sank in the Irish Sea 5 nautical miles (9.3 km) south west of , Pembrokeshire, United Kingdom by SM UC-51 (Imperial German Navy).[137]
World War I: The fishing vessel was scuttled in the North Sea 8 nautical miles (15 km) off IJmuiden, North Holland by SM UC-64 (Imperial German Navy). Her crew survived.[141]
World War I: The G-classsubmarine was rammed and sunk at night in the North Sea by HMS Pasley (Royal Navy), after the submarine had mistaken Pasley for a U-boat and fired two torpedoes at her. All but one of her 31 crew were killed; the survivor rescued by HMS Pasley.
Quatre Frères
France
World War I: The fishing vessel was scuttled in the Atlantic Ocean 240 nautical miles (440 km) west of the French coast by SM UC-31 (Imperial German Navy).[143]
United Kingdom
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 6 nautical miles (11 km) south east by east of by SM UC-48 (Imperial German Navy) with the loss of three of her crew.[16][144][145]
17 September[]
List of shipwrecks: 17 September 1917
Ship
Country
Description
Russia
World War I: The cargo ship was sunk in the Atlantic Ocean 35 nautical miles (65 km) north west of Muckle Flugga, Shetland Islands, United Kingdom by SM UB-62 (Imperial German Navy). Her crew survived.[146]
Eugenio D.
Italy
World War I: The sailing vessel was sunk in the Gulf of Lion by SM UC-27 (Imperial German Navy).[147]
Muccio
Italy
World War I: The sailing vessel was sunk in the Gulf of Lion by SM UC-27 (Imperial German Navy).[148]
World War I: The fishing smack was scuttled in Irish Sea 25 nautical miles (46 km) south west of the (United Kingdom) by SM UC-48 (Imperial German Navy). Her crew survived.[40][150]
France
World War I: The cargo ship was torpedoed and sunk in the North Sea 12 nautical miles (22 km) north of the Spurn Lightship (United Kingdom) by SM UC-64 (Imperial German Navy). Her crew survived.[151]
United Kingdom
World War I: The cargo ship was sunk torpedoed, shelled, and sunk in the Atlantic Ocean 19 nautical miles (35 km) north north east of Muckle Flugga by SM UB-62 (Imperial German Navy). Her crew survived.[152]
Ronald
United Kingdom
World War I: The fishing smack was scuttled in Irish Sea 25 nautical miles (46 km) south west of the (United Kingdom) by SM UC-48 (Imperial German Navy). Her crew survived.[40][153]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) north by west of Muckle Flugga, Shetland Islands by SM UB-62 (Imperial German Navy) with the loss of eighteen of her crew. Two survivors were taken as prisoners of war.[16][160]
United Kingdom
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 8 nautical miles (15 km) south west of Cape Spartel, Spanish Morocco (35°30′N6°45′W / 35.500°N 6.750°W / 35.500; -6.750) by SM UB-50 (Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[16][144][161]
United Kingdom
World War I: The cargo ship struck a mine and sank in the Atlantic Ocean off Cape Farewell, Greenland. Her crew were rescued.[16][162]
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 7 nautical miles (13 km) south by west of by SM UC-48 (Imperial German Navy) with the loss of six of her crew.[16][21][164]
World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy).[169]
20 September[]
List of shipwrecks: 20 September 1917
Ship
Country
Description
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 30 nautical miles (56 km) off Cape Spartel, Morocco (35°45′N6°40′W / 35.750°N 6.667°W / 35.750; -6.667) by SM UB-50 (Imperial German Navy) with the loss of three of her crew.[16][170]
World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy).[174]
France
World War I: The passenger ship was torpedoed and damaged in the English Channel 6 nautical miles (11 km) south east of The Lizard, Cornwall, United Kingdom by SM UC-48 (Imperial German Navy). She was beached but was later refloated.[175]
Radaas
Denmark
World War I: The cargo ship was torpedoed and sunk in the English Channel 18 nautical miles (33 km) west of Portland Bill, Dorset, United Kingdom (50°34′N3°05′W / 50.567°N 3.083°W / 50.567; -3.083) by SM UB-40 (Imperial German Navy) with the loss of a crew member.[176]
Santo Nicola
Italy
World War I: The sailing vessel was sunk in the Aegean Sea by SM UC-23 (Imperial German Navy).[177]
Spiridon
Greece
World War I: The sailing vessel was sunk in the Aegean Sea by SM UC-23 (Imperial German Navy).[178]
World War I: The schooner was shelled and sunk in the Mediterranean Sea 60 nautical miles (110 km) west of Asinara Island, Italy by SM U-32 (Imperial German Navy). Her crew survived.[180]
World War I: The river monitor struck a Romanian mine laid by Danube ships (Royal Romanian Navy) and sank near Brăila.[183][184][185]
France
World War I: The coaster was sunk in the Atlantic Ocean 11 nautical miles (20 km) north west of Cape Ortegal, A Coruña, Spain by SM UC-63 (Imperial German Navy).[186]
World War I: The schooner was sunk in the English Channel 114 nautical miles (211 km) off Ouessant, Finistère by SM U-60 (Imperial German Navy). Her crew survived.[188]
Primo
Italy
World War I: The sailing vessel was sunk in the Tyrrhenian Sea 3 nautical miles (5.6 km) off the (Italy) by SM UC-53 (Imperial German Navy).[189]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the North Sea 5 nautical miles (9.3 km) north west of Flamborough Head, Yorkshire by SM UC-71 (Imperial German Navy) with the loss of two of her crew.[16][190]
France
World War I: The cargo ship was sunk in the North Sea 5 nautical miles (9.3 km) south east of Flamborough Head by SM UC-64 (Imperial German Navy). Her crew survived.[191]
World War I: The brigantine was scuttled in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy).[193]
Giuseppina Concertina
Italy
World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy).[194]
Gloire
France
World War I: The fishing vessel was scuttled in the Atlantic Ocean 240 nautical miles (440 km) off Ouessant, Finistère by SM U-60 (Imperial German Navy). Her crew were rescued by the fishing vessel Algesiras (France).[195]
World War I: The cargo ship was torpedoed and sunk in the North Sea 2.5 nautical miles (4.6 km) east south east of Scarborough, Yorkshire by SM UC-71 (Imperial German Navy) with the loss of a crew member.[197]
The freighter sprung a leak in severe weather and foundered in the Atlantic Ocean 250 miles (400 km) off Bermuda. Her captain was killed, two crewmen died later, 24 survivors, including the captain's wife, were rescued by a US steamer nine days later 250 miles off Nantucket.[199][200]
Jeune Mathilde
France
World War I: The fishing vessel was scuttled in the Atlantic Ocean 240 nautical miles (440 km) west of Ouessant by SM U-60 (Imperial German Navy). Her crew were rescued by Algesiras (France).[201]
Joaquina
Spain
World War I: The sailing vessel was sunk in the Mediterranean Sea 8 nautical miles (15 km) off Cadaqués, Girona, Spain by SM UC-27 (Imperial German Navy).[202]
France
World War I: The transport ship was sunk in the Mediterranean Sea 120 nautical miles (220 km) north west of , Algeria by SM UC-27 (Imperial German Navy) with the loss of 250 of the 626 people on board.[203][204]
World War I: The sailing vessel was sunk in the Aegean Sea by SM UC-23 (Imperial German Navy).[205]
United Kingdom
World War I: The schooner was shelled and sunk in the English Channel 14 nautical miles (26 km) north west by north of Saint-Valery-en-Caux, Seine-Inférieure, France by SM UC-47 (Imperial German Navy). Her crew survived.[206]
World War I: The dredger struck a mine and sank in the English Channel 12 nautical miles (22 km) north west by west of Portland Bill, Dorset with the loss of two of her crew.[208]
United States
The schooner barge lost her towline to (United States) in severe weather and then sprung a leak and foundered in the Atlantic Ocean 22 miles (35 km) east of Fenwick Island. Three crew were killed.[199][209]
World War I: The cargo ship was sunk in the North Sea 6 to 8 nautical miles (11 to 15 km) east of Flamborough Head, Yorkshire, United Kingdom by SM UC-71 (Imperial German Navy) with the loss of seventeen of her crew.[213]
World War I: The three-masted schooner was shelled and damaged in the Atlantic Ocean 25 nautical miles (46 km) north west of the Isles of Scilly, United Kingdom by SM UC-47 (Imperial German Navy) with the loss of a crew member. Survivors abandoned ship and were rescued or reached St. Mary's in their lifeboats. Mimosa was later towed in to St Mary's.[215]
Nuova Francesca
Italy
World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy).[216]
France
World War I: The four-masted barque was scuttled in the Atlantic Ocean by SM UC-63 (Imperial German Navy). Her crew survived.[217]
S. Espedito
Italy
World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM UC-53 (Imperial German Navy). Her crew survived.[218]
World War I: The cargo ship was torpedoed and sunk in the English Channel 15 nautical miles (28 km) east north east of Berry Head, Devon by SM UB-40 (Imperial German Navy) with the loss of two of her crew.[16][220]
World War I: The schooner was shelled and sunk in the English Channel 20 nautical miles (37 km) south by east of Start Point, Devon by SM UC-69 (Imperial German Navy). Her crew survived.[228]
Ciro
Italy
World War I: The sailing vessel was scuttled in the Mediterranean Sea south of Sardinia by SM UB-50 (Imperial German Navy).[229]
World War I: The naval trawler struck a mine and sank in the English Channel off the Nab Lightship (United Kingdom) with the loss of ten of her crew.[232]
Imperial Russian Navy
World War I: The destroyer struck an Imperial German Navy mine and sank in the Irben Strait.[233]
France
World War I: The cargo ship was torpedoed and sunk in the North Sea 17 nautical miles (31 km) off Flamborough Head, Yorkshire, United Kingdom (53°54′N0°07′E / 53.900°N 0.117°E / 53.900; 0.117) by SM UB-30 (Imperial German Navy). Her crew survived; they were rescued by (United Kingdom).[234]
World War I: The cargo ship was torpedoed and sunk in the North Sea 3 nautical miles (5.6 km) north west by north of Flamborough Head, Yorkshire by SM UB-34 (Imperial German Navy). Her crew survived.[16][237]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) north west of Tory Island, County Donegal by SM U-61 (Imperial German Navy). Her crew survived.[16][242]
France
World War I: The barque was shelled and sunk in the Atlantic Ocean 200 nautical miles (370 km) south west of Ouessant (46°30′N9°59′W / 46.500°N 9.983°W / 46.500; -9.983) by SM U-60 (Imperial German Navy). Her crew were rescued by the fishing vessel Cygne (France).[243]
World War I: The schooner was shelled and sunk in the Atlantic Ocean 180 nautical miles (330 km) north by west of Cape Villano, Spain by SM U-60 (Imperial German Navy). Her crew survived.[245]
World War I: The naval trawler was scuttled in the Mediterranean Sea 8 nautical miles (15 km) north of Mersa Matruh, Egypt by SM UC-74 (Imperial German Navy). Her crew survived.[250]
United Kingdom
World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 340 nautical miles (630 km) west of Ouessant, Finistère (46°43′N13°01′W / 46.717°N 13.017°W / 46.717; -13.017) by SM U-90 (Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[16][251]
World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 80 nautical miles (150 km) south of Cape Greco, Cyprus by SM U-73 (Imperial German Navy). Her crew survived, but three of them were taken as prisoners of war.[253]
World War I: The Type U 66submarine is believed to have struck a mine and sank in the North Sea off the Dogger Bank on or after 3 September with the loss of all 40 crew.
World War I: The Type UB IIsubmarine was lost after 17 September. She may have been bombed and sunk on 22 September by Royal Naval Air Service aircraft.