*1855/1/5 (Feb 21) Commander [[Henry A. Adams]] of the ''Powhatan'' and Japanese representatives exchange ratified copies of the Convention of Kanagawa, completing the agreement process, and the ''Powhatan'' departs Japan the following day. | *1855/1/5 (Feb 21) Commander [[Henry A. Adams]] of the ''Powhatan'' and Japanese representatives exchange ratified copies of the Convention of Kanagawa, completing the agreement process, and the ''Powhatan'' departs Japan the following day. |