Kenkyu
Kenkyū (建久) was a Japanese era name after Bunji and before Shōji and spanned from 1190 to 1199. Reigning emperors were Go-Toba and Tsuchimikado.
Kenkyū (建久) was a Japanese era name after Bunji and before Shōji and spanned from 1190 to 1199. Reigning emperors were Go-Toba and Tsuchimikado.