A group led by Tomomi IWAKURA dismissed Shigenobu OKUMA during the political upheaval in 1881, and immediately after that, they held a conference in the presence of the emperor and decided the establishment of a national diet.
岩倉具視を中心とする勢力は、明治十四年の政変によって大隈重信を罷免し、その直後に御前会議を開いて国会開設を決定した。