Gallia
| Name | Gallia |
| Type | Armed merchant cruiser |
| GRT | 14,966 tons (one of the largest ships hit) |
| Country |  French |
| Built | 1913 |
| Builder | Forges & Chant. de la Méditerranée, La Seyne |
| Operator | French Navy |
| History | Peace-time operator: Cie. de Navigation Sud-Atlantique, Bordeaux |
U-boat attacks on Armed merchant cruiser Gallia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Oct 1916 | U 35 (Lothar von Arnauld de la Perière) | Sunk | Torpedoed At 2 p.m. 35 miles SW of San Pietro. 38°33’N, 7°23’E per KTB | 38° 27'N, 7° 30'E | Marseille - Salonika | Troops | 1338 |
| One of the heaviest losses of lives ; there were roughly 2000 troops on board the vessel who sank in less than 15 minutes. The exact number of casualties needs to be ascertained but it was over 1000. | ||||||||
Position of attack on Gallia
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