 Constitutional Democratic Party (Japan)

The "Minseitō" was founded on 1 June 1927, by a merger of the "Kenseikai" and the "Seiyu Hontō" political parties.Its leadership included Osachi Hamaguchi, Wakatsuki Reijirō, Yamamoto Tatsuo, Takejirō Tokonami, Adachi Kenzō, Koizumi Matajirō and Saitō Takao.