April 1, 1889 - Due to the
municipal status enforcement, the villages of Kawahake(川額), Tochikubo(栃久保), and Morishita(森下) merged to form the village of Kuroho,
Kitaseta District.
April 1, 1896 - Due to the district mergers(merger between Kitaseta and
Tone Districts), the village belongs to Tone District.