Rubonia
| Name | Rubonia |
| Type | Steamer |
| GRT | 3,644 tons |
| Country |  Russian |
| Built | 1896 |
| Builder | Palmers’ SB. & Iron Co., Ltd., Liverpool |
| Operator | Russian East Asiatic SS. Co., Ltd., St. Petersburg |
| History |
U-boat attacks on Steamer Rubonia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 22 Jul 1915 | U 36 (Ernst Graeff) | Sunk | W of the Shetlands | 60° 20'N, 5° 19'W | Cardiff - Archangelsk | coal | 0 |
Position of attack on Rubonia
If you can help us with any additional information on this vessel then please contact us.