| 1908 | C18 | Launched |
| 1908 | C22 | Launched |
| 1916 | K8 | Launched |
| 1941 | Thunderbolt (N25) | HMS Thunderbolt sinks the Italian sailing vessel Citta di Simi with gunfire some 12 miles north-east of Cape Sidero, Crete. |
| 1942 | Saracen (P247) | A submarine duel occurred on this day in the Mediterranean. The British submarine HMS Saracen fired two torpedoes at U-605, but missed. The U-boat replied with four torpedoes, but these also missed |
| 1942 | Safari (P211) | HMS Safari fires four torpedoes, but missed, against the Italian about 10 nautical miles south-east of Dubrovnik, Croatia, Yugoslavia. |
| 1942 | Unison (P43) | HMS Unison torpedoes and sinks the Italian merchant Enrichetta about 12 nautical miles west-south-west of Kyparissia, Greece. |
| 1942 | Spark (P236) | Laid Down |
| 1942 | Universal (P57) | Launched |
| 1944 | Virtue (P75) | While operating off Crete HMS Virtue sinks the Greek sailing vessels Sophia and Aghia Anna with gunfire. |
| 1944 | Aeneas (P427) | Laid Down |
| 1950 | Andrew (P423) | Andrew was involved in a collision. |
