It can be said that a new country was established, but Masakado, like calling the Emperor in Kyoto (at that time was Emperor Suzaku) 'Honno,' didn't completely deny the authority of the Emperor.
新国家の樹立とも言えるが、将門は京都の天皇（当時は朱雀天皇）を「本皇」と呼ぶなど、天皇の権威を完全に否定したわけではなかった。