Rn Submarines - May 19th

1928	Osiris	Submarine HMS Osiris launched
1941	HMS Unbeaten	HMS Unbeaten attacks the Italian merchant Silvio Scaroni off Tagiura, Libya with a spread of 4 torpedoes that miss the target.
1942	HMS Thrasher	HMS Thrasher torpedoes and sinks the Italian merchant Penelope about 5 nautical miles north-west of Monopoli, Italy.
1943	HMS Sportsman	HMS Sportsman torpedoes and sinks the French passenger ship Général Bonaparte off Nice, southern France.
1943	HMS Unbroken	HMS Unbroken torpedoes and sinks the Italian pilot vessel F 20/Enrica 3 nautical miles off Pizzo Calabro.
1945	HMS Terrapin	Survived a depth charge attack in the Pacific by Japanese surface craft
1945	HMS Scythian	HMS Scythian sinks a Japanese sailing vessel with gunfire in the Strait of Malacca.
1950	HMS Sidon	Completed refit at Sheerness.

Source - Barrow Submarine Association

RN Submarines - May 18th

1909	C21	Submarine HMS C21 completed
1916	J5	Submarine HMS J5 completed
1916	E39	Submarine HMS E39 launched
1916	L1	Submarine HMS L1 laid down
1916	L2	Submarine HMS L2 laid down
1943	Storm	Submarine HMS Storm launched
1915	E11	E11, commanded by Lt-Cmdr Martin Nasmith passed through the Dardanelles on the night of 18 May. Surfacing off the town of Gallipoli, Nasmith captured a Turkish sailing vessel and lashed it to the conning tower to act as a disguise. This ruse failed to attract any targets, so after several days he abandoned it.
1941	HMS Tetrarch	HMS Tetrarch torpedoes and sinks the Italian merchant Giovinezza off Bengasi, Libya.
1942	HMS Turbulent	HMS Turbulent torpedoes and sinks the Italian merchant Bolsena west of Bengasi, Libya.
1945	HMS Sea Dog	HMS Seadog torpedoes and sinks a Japanese coaster north of Sumatra, Netherlands East Indies.

Source - Barrow Submarine Association

RN Submarines - May 17th

1912	E5	Submarine HMS E5 launched
1917	G14	Submarine HMS G14 launched
1919	H33	Submarine HMS H33 completed
1919	L71	Submarine HMS L71 launched
1945	Ambush	Submarine HMS Ambush laid down
1917	Sea Lions	Second experiment using Sea Lions to detect submarines begins
1945	HMS Terrapin	HMS Terrapin sinks a Japanese sailing vessel and damages another with gunfire in the western part of the Java Sea.
1945	Tiptoe	HMS Tiptoe sinks a Japanese coaster with gunfire of Sumbawa Island, Netherlands East Indies.
1958	Aurochs	Aurochs was patrolling the Molucca Sea off Indonesia when an unidentified aircraft machine-gunned her. No casualties or damage were sustained. President Sukarno's Indonesian government told the UK Government that its armed forces had not made the attack. The UK Foreign and Commonwealth Office stated that it accepted the assurance and assumed that North Celebes insurgents had carried out the attack.

Barrow Submarine Association

RN Submarines - May 16th

1908	D1	Submarine HMS D1 launched
1911	E4	Submarine HMS E4 laid down
1917	L52	Submarine HMS L52 laid down
1933	Sealion	Submarine HMS Sealion laid down
1940	Porpoise	HMS Porpoise lays minefield FD 11 (48 mines) off Kalvag, Norway.
1943	HMS Unruly	HMS Unruly torpedoed & damaged the Italian merchant Nicolo Tommaseo
1945	HMS Statesman	HMS Statesman torpedoes and sinks the Japanese heavy cruiser Haguro.

Thanks to Barrow Submarine Association

RN Submarines - May 15th

1943	Verve	Submarine HMS Verve laid down
1918	L5	Submarine HMS L5 completed
1919	L18	Submarine HMS L18 completed
1933	Clyde	Submarine HMS Clyde laid down
1944	Upshot	Submarine HMS Upshot completed
1960	Otter	Submarine HMS Otter launched
1968	Courageous	Submarine HMS Courageous laid down
1943	HMS Sickle	HMS Sickle torpedoes and sinks the German auxiliary submarine chaser UJ-2213/Heureux south of Nice, southern France.
1943	HMS Rorqual	HMS Rorqual lays 50 mines off Punta Stilo, Calabria, Italy.
1944	HMS Ultor	HMS Ultor attacks and damages a French fishing vessel with gunfire off Cape Camarat, southern France.
1945	HMS Statesman	HMS Statesman sinks a Japanese coaster with gunfire in the Strait of Malacca.
1945	HMS Tiptoe	HMS Tiptoe sinks a Japanese coaster with gunfire of Sumbawa Island, Netherlands East Indies.
1945	Clyde	HMS Clyde sinks a Japanese sailing vessel with gunfire of the west coast of Siam.

Thanks to - Barrow Submarine Association

RN Sunmarines - May 14th

907	D1	Submarine HMS D1 laid down
1918	R7	Submarine HMS R7 launched
1917	L54	Submarine HMS L54 laid down
1930	Rainbow	Submarine HMS Rainbow launched
1941	Thrasher	Submarine HMS Thrasher completed
1945	Springer	Submarine HMS Springer launched
1947	Alliance	Submarine HMS Alliance completed
1942	HMS Turbulent	HMS Turbulent sinks the Italian sailing vessel San Giusto with gunfire 10 miles east of Apollonia, Greece.
1943	HMS Trident	HMS Trident unsuccesfully fires 4 torpedoes at the French passenger/cargo ship Cap Corse north-west of Corsica.
1944	HMS Sickle	HMS Sickle claims the sinking of a sailing vessel with gunfire north of Rhetymon, Crete.
1944	HMS Tally-Ho	HMS Tally-Ho lays mines in the Strait of Malacca.

Thanks to Barrow Submarine Association

RN Submarines - May 10th

1910	C33	Submarine HMS C33 launched
1916	G6	Submarine HMS G6 completed
1917	L1	Submarine HMS L1 launched
1940	Tuna	Submarine HMS Tuna launched
1945	U-1009	First U-Boat surrendered (U-1009). 156 received in all, of which 110 were sunk: 221 were scuttled to avoid surrender.
1960	USS Triton	USS Triton completes submerged circumnavigation of world in 84 days

Thanks to Barrow Submarine Association

RN Submarines - On this date April 30th

1917	K15	Submarine HMS K15 completed
1934	Salmon	Submarine HMS Salmon launched
1940	Uproar	Submarine HMS Uproar laid down
1943	HMS Rorqual	HMS Rorqual lays 50 mines off Isola Marettimo, to the west of Sicily, Italy.
1945	HMS Torbay	HMS Torbay sinks two Japanese sailing vessels with scuttling charges in the Strait of Malacca.
1986	HMS Vanguard	Order announced by Norman Lamount, Secretary of State for Defence Procurement

With Thanks to :       Barrow Submariners Association