Satchō Alliance
Military alliance formed to overthrow the Tokugawa shogunate of Japan (1866) / From Wikipedia, the free encyclopedia
The Satsuma–Chōshū Alliance (薩摩長州同盟, Satsuma Chōshū dōmei), or Satchō Alliance (薩長同盟, Satchō dōmei) was a powerful military alliance between the feudal domains of Satsuma and Chōshū formed in 1866 to combine their efforts to restore Imperial rule and overthrow the Tokugawa shogunate of Japan.