SS Gallia was a transatlantic ocean liner of the Compagnie de Navigation Sud-Atlantique built in 1913. Gallia was the Roman name for the province of Gaul.
In the First World War Gallia was converted into first an armed merchant cruiser and then a troop ship. In 1916 she was torpedoed and sunk by the German U-Boat SM U-35 in the Mediterranean Sea with great loss of life.
Building and peacetime service
The Société Nouvelle des Forges et Chantiers de la Méditerranée built Gallia at La Seyne-sur-Mer as one of a set of three liners for Compagnie de Navigation Sud-Atlantique's mail and passenger service between France and South America. The same shipyard also built her sister ship SS Massilia. Chantiers de l'Atlantique built SS Lutetia, the other member of the trio.
Gallia's registered length was 574.2 ft, her beam was 62.8 ft and her depth was 36.9 ft. Her tonnages