|HMS Britannia, a British Pre-Dreadnought, sinking days before the end of the war. She was torpedoed by UB50 and took 3.5 hours to sink. Pre-Dreadnoughts were vulnerable to underwater damage with nineteen being sunk by mines and torpedoes.|
9 January 1918
Racoon, British, Beagle class Destroyer
Ran aground and wrecked in bad weather off the North coast of Ireland.
12 January 1918
Narborough, British, M class Destroyer
Opal, British, M class Destroyer
Wrecked near Scapa Flow in a snow storm.
20 January 1918
Raglan, British, Abercrombie class Monitor
M28, British, M15 class Monitor
Midili (ex Breslau), Ottoman, Magdeburg class Light Cruiser
Sunk by the Ottoman battlecruiser Yazuv Sultan Selim and cruiser Midili off Imbros whilst the Ottoman ships were attempting a raid. Raglan was hit repeatedly and sank when her 12 pounder magazine caught fire and exploded. Likewise M28 was hit repeatedly and eventually suffered a magazine explosion and sank. Afterwards the Ottoman vessels ran into a minefield and Midili was sunk.
A73, German, Torpedo Boat
Mined in the North Sea with 40 dead
A77, German, A56 class Torpedo Boat
Mined in the North Sea with 33 dead
S16, German, V1 class Destroyer
Mined in the North Sea with 80 dead.
7 February 1918
A10, German, A1 class Torpedo Boat
Mined off the Belgian coast with 19 dead.
8 February 1918
Boxer, British, 27 knotter class Destroyer
Collision SS St Patrick in bad weather in the English Channel.
1 March 1918
A57, German, A56 class Torpedo Boat
Mined in the North Sea with 12 dead.
13 March 1918
A56, German, A56 class Torpedo Boat
Mined in the North Sea with 16 dead.
21 March 1918
A7, German, A1 class Torpedo Boat
Sunk by the French destroyers Bouclier and Capitaine Mehl off the Belgian coast with the loss of 23 crew.
23 March 1918
Arno, British, Arno class Destroyer
Collision with the British destroyer Hope off the Dardanelles.
27 March 1918
Kale, British, River class Destroyer
Mined in the North Sea.
30 March 1918
G87, German, V25 class Destroyer
Mined in the North Sea with 43 dead.
G93, German, V25 class Destroyer
Mined in the North Sea with 10 dead.
1 April 1918
Falcon, British, 30 knotter class Destroyer
Collision with the trawler John Fitzgerald in the North Sea.
4 April 1918
Bittern, British, 30 knotter class Destroyer
Collision with SS Kenilworth in fog off Portland Bill.
10 April 1918
Benedetto Cairoli, Italian, La Masa class Destroyer
Collision with sister ship Giacinto Carini in the Ionian Sea.
11 April 1918
Rheinland, German, Nassau class Dreadnought Battleship
Ran aground in Aaland Sea. Re-floated an recovered 3 months later but never repaired or re-entered service.
16 April 1918
Streiter, Austro-Hungarian, Huszar class Destroyer
Collision with SS Petka off Laurana.
18 April 1918
Faulx, French, Bouclier class Destroyer
Collision with Mangini in the Otranto Strait.
23 Apr 1918
North Star, British, M class Destroyer
During the Zeebrugge Raid she got lost in the smoke and ended up in the harbour where she was engaged and sunk at short range by shore batteries.
25 April 1918
TB90, British, Torpedo Boat
Capsized in bad weather off Gibraltar.
1 May 1918
Zavetni, Russian, Boiki class Destroyer
Scuttled at Sevastopol.
3 May 1918
G9, German, V1 class Destroyer
Mined in the North Sea with 31 dead.
4 May 1918
A71, German, A56 class Torpedo Boat
Mined in the North Sea with 6 dead.
14 May 1918
A72, German, A56 class Torpedo Boat
Mined n the North Sea with 25 dead.
15 May 1918
Phoenix, British, Acheron class Destroyer
Torpedoed by the Austrian submarine U27 in the Adriatic.
18 May 1918
Catapulte, French, Arquebuse class Destroyer
Collision with British SS Warrimoo off Bone.
31 May 1918
Fairy, British, 30 knotter class Destroyer
Damage sustained ramming UC75 in the North Sea. UC75 was sunk in the incident.
4 June 1918
T68 (ex S68), German, S66 class Torpedo Boat
Mined in the North Sea with 7 dead.
10 June 1918
Szent Istvan, Austro-Hungarian, Tegetthoff class Dreadnought Battleship
Torpedoed by the Italian torpedo boat MAS15 in the Adriatic whilst on her way to attack the Otranto Barrage. The ship was hit by two torpedoes and rolled over and sank.
18 June 1918
Smyetlivi, Russian, Pruitki class Destroyer
Stremitelni, Russian, Pruitki class Destroyer
Fidonisi, Russian, Kerch class Destroyer
Kerch, Russian, Kerch class Destroyer
Pronzitelny, Russian, Gromki class Destroyer
Gromki, Russian, Gromki class Destroyer
Kapitam-Leitenant Baranov, Russian, Leitenant Shestakov class Destroyer
Leitenant Shestakov, Russain, Leitenant Shestakov class Destroyer
Svobodnaya Rossiya (ex Imperatritsa Ekaterina Velikaya), Russain, Imperatritsa Mariya class Dreadnought Battleship
Scuttled at Sevastopol when to prevent capture by German forces.
21 June 1918
Geier, German, Bussard class Light Cruiser
She was interned in Honolulu on 7 November 1914 and then taken over by the USA and re-named Carl Schurz once they entered the war. Sunk in a collision with SS Fluida that she was escorting.
25 June 1918
T59 (ex S59), German, TB
Collision in the Baltic with 21 dead.
7 July 1918
G172, German, S138 class Destroyer
Mined in the North Sea with 16 dead.
S138, German, S138 class Destroyer
Mined in the North Sea with 32 dead.
10 July 1918
S62, German, V25 class Destroyer
Mined in the North Sea with 27 dead.
S66, German, V25 class Destroyer
Mined in the North Sea with 76 dead.
A79, German, A56 class Torpedo Boat
Mined in the North Sea with 53 dead.
12 July 1918
Kawachi, Japanese, Settsu class Battleship
Accidental magazine explosion in Tokuyama Bay.
16 July 1918
Garibaldino, Italian, Soldati class Destroyer
Collision with British trawler Cygnet off Villefranche
19 July 1918
San Diego (ex California), USA, Pennsylvania class Armoured Cruiser
Mined by a German submarine near New York and sank in 28 minutes with the loss of 28 lives.
27 July 1918
Pincher, British, Beagle class Destroyer
Ran aground and wrecked in bad weather off the Scilly Isles.
1/2 August 1918
Vehement, British, V class Destroyer
Ariel, British, Acheron class Destroyer
Both ships were part of the 20th Destroyer Flotilla that was undertaking a mine laying operation in the Heligoland Bight. Vehement was hit by a mine which caused a magazine explosion blowing off her bow. Attempts to tow her failed and her remains were scuttled. Whilst attempting to leave the minefield that had sunk Vehement Ariel also had her bow blown off by a mine and she sank in less than an hour.
6 August 1918
Comet, British, Acorn class Destroyer
Torpedoed by an Austrian submarine in the Mediterranean.
7 August 1918
Dupetit-Thouars, French, Kleber class Armoured Cruiser
Torpedoed by the German submarine U62 off Brest.
8 August 1918
V68, German, V25 class Destroyer
Mined off the Flanders Coast with 18 dead.
13 August 1918
T67 (ex S67), German, S66 class Torpedo Boat
Mined in the North Sea with 2 dead.
Etruria, Italian, Umbria class Protected Cruiser
Destroyed by the accidental explosion of an ammunition barge that was along side at Leghorn.
15 August 1918
Scott, British, Scott class Destroyer Leader
Ulleswater, British, M class Destroyer
Sunk off the Dutch coast, probably by a German submarine (usually credited to UC17) but they could also have been mined.
16 August 1918
A58, German, A56 class Torpedo Boat
Mined off the Flanders coast with 3 dead.
23 August 1918
A19, German, A1 class Torpedo Boat
Sunk by British destroyers off the Flanders coast with 19 dead.
8 Sept 1915
Nessus, British, M class Destroyer
Collision with the British cruiser Amphitrite in the North Sea.
16 September 1918
Glatton, British, Gorgon class Monitor
Internal explosion in Dover Harbour. It is thought that hot ashes were put too close to a magazine wall that caused the magazine to overheat and explode. There was also a strong suspicion that newspaper had been used in the insulation for the magazine rather than cork and this was vulnerable to ignition.
3 October 1918
S33, German, V25 class Destroyer
Torpedoed by the British submarine L11 in the North Sea.
S34, German, V25 class Destroyer
Mined in the North Sea with 70 dead.
G41, German, V25 class Destroyer
V74, German, V25 class Destroyer
Scuttled at Bruges during the German evacuation.
5 October 1918
T122 (ex S122), German, S90 class Torpedo Boat
Mined in the North Sea with 12 dead.
20 October 1918
M21, British, M154 class Monitor
Hit two mines off Ostend and although she managed to steam to Dover she sank there.
29 October 1918
Ulysses, British, R class Destroyer
Collision with SS Ellerie in fog in the Firth of Clyde.
A51, German, A26 class Torpedo Boat
A82, German, A56 class Torpedo Boat
Scuttled at Fiume.
1 November 1918
Viribus Unitis, Austro-Hungarian, Tegetthoff class Dreadnought Battleship
Sunk by limpet mine laid by Italian frogmen in Pola harbour.
2 November 1918
V69, German, V67 class Destroyer
Scuttled at Ghent during the German retreat from Belgium.
V67, German, V67 class Destroyer
V77, German, V67 class Destroyer
V47, German, V43 class Destroyer
S61, German, S49 class Destroyer
Scuttled at Terneuzen Canal during the German retreat from Belgium.
5 November 1918
Campania, British, former liner converted to Seaplane Carrier
Dragged her anchor during a storm and collided with Royal Oak and Glorious in the Firth of Forth.
9 November 1918
Britannia, British, King Edward VII call Pre-Dreadnought Battleship
Torpedoed by German submarine UB50 near Cape Trafalgar on the way to Gibraltar. She was hit by two torpedoes and took nearly three hours to sink and 50 crew were lost.
10 November 1918
36 PN, Italian, PN class Torpedo Boat
Mined off Cape Rodoni.
|Szent Istvan was the sister of Viribus Unitis. Unlike her sisters she was built in the Hungarian Danubius shipyard rather than the Stabilimento Techico Triestino yard in Austria. This was a political choice and she was the slowest built of her class. The Italian torpedo boat MAS15 sank her whilst in transit with her sisters to raid the Otranto Barrage.|