September 23rd - On This Date - RN Submarine Service

1905                HMS A12 completed

1911                HMS D8 launched

1914                HMS E16 launched

1916                HMS G13 completed

1918                HMS L20 launched

1925                HMS X1 completed

1930                Submarine HMS Orpheus completed

1943                Submarine HMS Tudor launched

1965                Submarine HMS Onyx completed

1941                HMS Triumph torpedoes and sinks the German merchant Luvsee north-east of Sibenek.

1943                HMS Sibyl torpedoes and sinks the French (in German service) merchant St.Nazaire about 8 nautical miles west of Sestri Levante, Italy.

1944                The German submarine U-859 is sunk north-west of Penang in the Straits of Malacca by torpedoes from HMS Trenchant.

1944                HMS Vampire fires 4 torpedoes against the German auxiliary submarine chaser UJ 2102. All torpedoes miss.