Events
On This Day - December 2
| 1892 | 1892 - 1920: Bonaventure (F139) | Launched |
| 1937 | Cachalot (N83) | Launched |
| 1939 | Cachalot (N83) | Cachalot & Seal departed Halifax as convoy escorts |
| 1939 | Undaunted (N55) | Laid Down |
| 1941 | Turbulent (N98) | Completed |
| 1942 | Umbra (P35) | HMS Umbra torpedoes and sinks the Italian merchant Sacro Cuore about 15 nautical miles east of Mahdia, Tunisia. |
| 1943 | Unruly (P49) | HMS Unruly sinks a Greek sailing vessel with gunfire of Levitha island, Greece. |
| 1943 | Unsparing (P55) | HMS Unsparing sinks a Greek sailing vessel with gunfire south of Levitha island, Greece. |
| 1944 | Sturdy (P248) | HMS Sturdy sinks the Japanese Communication Vessel No.142 with gunfire in Makassar Strait. |
| 1968 | HMCS Rainbow | HMCS Rainbow (ex-USS Argonaut) commissioned New London CT. Built by Portsmouth Navy Yard, Portsmouth NH. |
| 1986 | Upholder (S40) | Launched |
| 2000 | Unseen (S41) | HMCS Victoria commissioned Halifax NS |