The Émeraude-class submarines consisted of six submarines built for the French Navy during the first decade of the 20th century. One boat was sunk and another captured during the First World War and the survivors were scrapped after the war.
Vendémiaire was a Pluviôse-class submarine built for the French Navy in the late 1900s. She was sunk with all hands when she was rammed by the pre-dreadnought battleship Saint Louis on 8 June 1912 while on maneuvers off the Casquets in the English Channel.
The Pluviôse-class submarines were a group of 18 submarines built for the French Navy in the first decade of the 20th century. Before World War I, two were accidentally lost, but one of these was salvaged and put back into service. Four others were lost during the war and the survivors were stricken in 1919.
Pluviôse (Q51) was the name ship of her class of 18 submarines built for the French Navy in the first decade of the 20th century.
French submarine Fresnel (Q65) one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
French submarine Monge (Q67) was one of 18 Pluviôse-class submarines built for the French Navy in the first decade in the 20th century.
Saphir was one of six Émeraude-class submarines built for the French Navy in the first decade of the 20th century.
Sabre was a Arquebuse-class destroyer contre-torpilleur d'escadre built for the French Navy in the first decade of the 20th century. Completed in 1904, the ship was initially assigned to the Far Eastern Division. She returned to France in 1907 and was assigned to the Northern Squadron. Sabre became part of a local defense unit in Brittany four years later.
Topaze was one of six Émeraude-class submarines built for the French Navy in the first decade of the 20th century.
Calypso was one of two Circé-class submarines built for the French Navy in the first decade of the 20th century.
Circé was the lead boat of her class of two submarines built for the French Navy in the first decade of the 20th century.
Floréal was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Watt (Q75) was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century. Commissioned in 1910, she served during World War I and was stricken in 1919.
Thermidor was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
The French submarine Diamant was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in July 1930, it was launched in May 1933 and commissioned in June 1934. Diamant was scuttled at Toulon on 27 November 1942 to prevent her capture by German forces, then refloated by Italian forces on 29 March 1943. On 22 June 1944, Diamant was bombed and sunk at Toulon by Allied aircraft.
The French submarine Nautilus was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in August 1927, it was launched in March 1930 and commissioned in July 1931. Nautilus was disarmed at Bizerte, Tunisia and captured there on 8 December 1942 by Italian forces. On 31 January 1943, it was sunk at Bizerte during an Allied air raid. Nautilus was raised but not repaired and finally stricken on 12 August 1947.
The French submarine Turquoise was a Saphir-class submarine built for the French Navy in the mid-1930s. Laid down in October 1926, it was launched in May 1929 and commissioned in September 1930. Turquoise was disarmed at Bizerte, Tunisia and renamed FR 116 after being captured there by Italian forces on 8 December 1942. Turquoise was recaptured and scuttled by German forces at Naples, Italy on 8 May 1943.
Armide was a submarine ordered by the Japanese Navy from the Schneider-Creusot shipyard before World War I but was requisitioned by the French government before it was launched. Armide operated in the Mediterranean during the course of World War I and was stricken from the Navy list in July 1932.
The French submarine Argonaute was an experimental attack submarine built for the French Navy between 1903 and 1911. Initially named Omega, Argonaute was laid down in January 1903, launched in November 1905 and commissioned in 1911. She was essentially an experimental submarine, and although in service during World War I, saw no action. Argonaute was decommissioned in 1919.
Pierre Chailley was a French Navy minelayer submarine commissioned in 1923. She was the ancestor of the Saphir-class submarines, which were the last French minelayer submarines. She was decommissioned in 1936.
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