April 1991: Seitaro SHIOMI who was the seventh mayor was selected as a honorary citizen, and the Citizen Charter was established along with the flower, bird and tree of the City.
1991年（平成3年）4月-7代目市長であった塩見精太郎が名誉市民に選ばれ、市の花、鳥、木とあわせて市民憲章が制定される。