Tsukudo shrine is a institution to worship the spirit of Masakado who is the god of SAMURAI , founded in Tokyo in 940.|
Masakado had ambition of gaining the independent power from the court.
Masakado tried to have Kanto (Tokyo and outskirts) gain independence, but killed by the imperial army in 940.
His head had been displayed in Kyoto (the medieval capital of Japan) .
But people in Kanto, had kept inspilated Masakado as "GUNSHIN (the divine figure of SAMURAI)".
They took the head of Masakado from the imperial court and brought to KANTO, and they began to worship Masakado's head as divine figure of SAMURAI in Tsukudo shrine in Tokyo.
Masakado, then has been still loved strongly by many in Kanto area as the devine God of SAMURAI for more than one thousand years.