Events
On This Day - May 9
| 1902 | No 4 | Launched |
| 1905 | C 8 (I 38) | Laid Down |
| 1917 | K 9 | Completed |
| 1918 | H 24 | Completed |
| 1918 | H 30 | Launched |
| 1942 | Upright (N 89) | HMS Upright sinks an Italian drydock under tow with gunfire near Cape dell' Armi. |
| 1942 | Trenchant (P 331) | Laid Down |
| 1943 | Unrivalled (P 45) | HMS Unrivalled sinks the Italian Santa Mariana Salina |
| 1945 | Statesman (P 246) | HMS Statesman sinks a Japanese sailing vessel with demolition charges in the Strait of Malacca. |
| 1958 | Sturdy (P 248) | Scrapped at Dunstone |
