Events
On This Day - November 25
| 1905 | C 3 (I 33) | Laid Down |
| 1905 | C 4 (I 34) | Laid Down |
| 1914 | D 2 (I 72) | D2 put to sea on the 24th, under the command of Lieutenant Commander C Head. The submarine failed to return. It is believed that she was sunk on, or around, the 25th of November, following an encounter with a German Torpedo Boat. |
| 1914 | E 20 (I 69) | Laid Down |
| 1914 | E 22 (I 79) | Laid Down |
| 1915 | V 4 | Launched |
| 1915 | W 4 | Launched |
| 1919 | H 43 | Completed |
| 1940 | Talisman (N 78) | HMS Talisman captures the French fishing vessel Le Clipper in the Bay of Biscay near Lorient. |
| 1941 | Thunderbolt (N 25) | HMS Thunderbolt sinks the German sailing vessel L VII with gunfire off Kythera, Greece. |
| 1941 | Thrasher (N 37) | HMS Thrasher torpedoes and sinks the Italian merchant Attilio Deffenu about 20 nautical miles east of Brindisi, Puglia, Italy. |
| 1942 | Unshaken (P 54) | Three members of the Crew of Submarine HMS Unshaken were lost on. The Submarine was on the surface in the Gulf of Genoa in the Mediterranean to charge the battery, but the weather was very rough. The Submarine rolled badly, the Conning Tower flooded, and he lower hatch was shut to prevent the Submarine from sinking. By the time order was restored and the hatches could be reopened the Commanding Officer and two lookouts had been washed over the side and lost. The First Lieutenant, Lieutenant H P Westmacott, Royal Navy, took over as the temporary Commanding Officer until a new Commander was brought on board via a Catalina Flying Boat during the passage back to Gibraltar. |
| 1943 | Sickle (P 224) | HMS Sickle sinks two sailing vessels with gunfire near Milos island, Greece. |
| 1944 | Sturdy (P 248) | HMS Sturdy sinks a Japanese vessel with gunfire south-east of Borneo. |
