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.
French submarine Cugnot (Q76) was one of 18 Pluviôse-class submarines built for the French Navy during the first decade of the 20th century.
The French submarine Mariotte was a submarine built for the French Navy prior to World War I. Intended to accompany the fleet, she was designed for high speed on the surface. Although the navy was unsatisfied with her performance on the surface, the boat had a higher underwater speed than any French submarine before or during the following 35 years. Mariotte was plagued with engine problems during her construction and the navy spent years fixing the various issues before finally commissioning her five years after beginning construction. During the war, she participated in the Dardanelles Campaign, but had to be scuttled after she became entangled in the cables of a minefield on her first attempt to penetrate the Dardanelles.
Topaze was one of six Émeraude-class submarines built for the French Navy in the first decade of the 20th century.
Turquoise was one of six Émeraude-class submarines built for the French Navy in the first decade of the 20th century.
The Circé-class submarines consisted of a pair of submarines built for the French Navy during the first decade of the 20th century. One boat was sunk in a collision before the First World War and the other was torpedoed and sunk by a German submarine in the last year of the war.
Circé was the lead boat of her class of two submarines built for the French Navy in the first decade of the 20th century.
Ventôse was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Germinal was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Papin 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.
Gay-Lussac was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Giffard was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Thermidor was one of 18 Pluviôse-class submarines built for the French Navy in the first decade of the 20th century.
Archimède was one of four experimental submarines ordered for the French Navy in 1906. Each boat was built to a different design and Archimède was optimized to maximize speed and range.
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