The Tonkin Flotilla (French: flottille de Tonkin), a force of despatch vessels and gunboats used for policing the rivers and waterways of the Tonkin Delta, was created in the summer of 1883, during the period of undeclared hostilities that preceded the Sino-French War (August 1884–April 1885).
Read more about Tonkin Flotilla: Background, Composition, Operations, See Also, Vessels of The Tonkin Flotilla