What feudal domain did William Henry Harrison Seeley fight against?
Shimonoseki Campaign The Shimonoseki Campaign (Japanese: 下関戦争/馬関戦争 , Hepburn: Shimonoseki Sensō/Bakan Sensō , lit. "Shimonoseki War") 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.
Han system The han (藩 , han ) or domain is the Japanese historical term for the estate of a warrior after the 12th century or of a "daimyō" in the Edo period (1603–1868) and early Meiji period (1868–1912).