Columbia
Photo courtesy of Danish Maritime Museum, Elsinore
| Name | Columbia |
| Type | Steamer |
| GRT | 5,570 tons |
| Country |  Danish |
| Built | 1915 |
| Builder | A/S Burmeister & Wain, Copenhagen |
| Operator | A/S Det Østasiatiske Kompagni, Copenhagen |
| History |
U-boat attacks on Steamer Columbia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 Aug 1918 | UC 34 (Hans Schüler) | Sunk | Torpedoed near Port Said | 31.54N, 31.20E | Calcutta - Marseille | general cargo | 1 |
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