The Shimonoseki Campaign (Japanese: 下関戦争/馬関戦争, Hepburn: Shimonoseki Sensō/Bakan Sensō) refers to a series of military engagements in 1863 and 1864, fought to control Shimonoseki Straits of Japan by joint naval forces from Great Britain, France, the Netherlands and the United States, against the Japanese feudal domain of Chōshū, which took place off and on the coast of Shimonoseki, Japan.The Japanese term for this event translates to the Shimonoseki War.