The CGN was formed in 1873 through the merger between three companies, bringing together the vessels 'Helvétie', 'Léman', 'Aigle' and later the 'Flèche' in a single fleet.
In 1873, the CGN was established by merging three companies that owned the vessels 'Helvétie', 'Léman', 'Aigle' and eventually the 'Flèche', creating a single naval force.