| 1907 | C11 | Completed |
| 1912 | No 4 | Foundered |
| 1919 | L56 | Completed |
| 1940 | Truant (N68) | HMS Truant intercepts the German merchant Tropic Sea. The Tropic Sea is scuttled in the Bay of Biscay about 235 nautical miles north-west of Cape Finisterre, Spain. |
| 1940 | Upright (N89) | Completed |
| 1941 | Trident (N52) | While returning to base at Polyarnoe, Russia, HMS Trident is fired upon but missed by the German submarine U-566. |
| 1941 | Otus (N92) | HMS Otus fires a torpedo at an enemy armed merchant cruiser of 4000 tons in the central Mediterranean about 175 nautical miles east of Valetta, Malta. The torpedo misses. |
| 1942 | Viking (P69) | Laid Down |
| 1942 | Traveller (N48) | HMS Traveller HMS Traveller was off Tobruk, patrolling at periscope depth when she was bombed by an unseen aircraft. There was no damage. |
| 1944 | Strongbow (P235) | HMS Strongbow sinks three Siamese sailing vessels with gunfire off the west coast of Siam. |
| 1944 | Vigorous (P74) | HMS Vigorous claims the sinking of two sailing vessels off Paximadia Island, Greece. |
| 1986 | DDH Opened | Mrs Margaret Thatcher, Prime Minister, officially opened Devonshire Dock Hall. |
| 1986 | Vanguard (S28) | Laid Down |
