Events
On This Day - October 12
| 1914 | F 3 (I.A2) | Laid Down |
| 1914 | G 4 (I A6) | Laid Down |
| 1914 | G 5 (I A7) | Laid Down |
| 1937 | O 23 (Dutch) | Laid down |
| 1941 | Urge (N 17) | Sub Lt Brian Neville Thornley Lloyd had been appointed to HMS St Angelo in Malta and it is reported that he was killed on a Special Operations Mission when operating from HMS Urge. No details of the operation are available. He was aged 20. |
| 1942 | Thrasher (N 37) | HMS Thrasher sinks a Greek sailing vessel with gunfire in the Aegean Sea, about 15 nautical miles east of Cape Drepano, Sithonia peninsula, Greece. |
| 1942 | Simoom (P 225) | Launched |
| 1942 | Ultor (P 53) | Launched |
| 1943 | Usurper (P 56) | On 24th September 1943 HMS Usurper left Algiers for a patrol off La Spezia, Italy. On 3rd October. Lieutenant Mott was ordered to move north to an area in the Gulf of Genoa in an area later identified as containing Italian Minefield QB192. HMS Usurper was patrolling in the Gulf of Genoa when the German anti-submarine vessel UJ-2208 reported that she had been unsuccessfully attacked. In the counterattack which followed UJ-2208 reported sinking a Submarine. It is possible that HMS Usurper was sunk in this attack but, she might also have been lost in a minefield. HMS Usurper did not respond to any signals and failed to arrive back at Algiers on 12th October 1942 and was reported lost with all hands |
| 1944 | Strongbow (P 235) | HMS Strongbow torpedoes and sinks the Japanese merchant cargo ship Manryo Maru in the Malacca Strait. |
| 1991 | Triumph (S 93) | Completed |
| 2011 | Olympus (S 12) | There was a fire inside the Olympus submarine at Port Maitland's Marine Recycling Corp. About 10 workers had to evacuate the vessel. To took firefighters 24 hours to put the fire out. |
