In 1995 , there was a large 6.8 earthquake in Kobe , Hyōgo and sarin gas terrorist attacks were carried out on the Tokyo Metro by the doomsday cult Aum Shinrikyo . Failure of the Japanese government to react to these events promptly led to the formation of non-government organisations which have been playing an increasingly important role in Japanese politics since
sarin gas terrorist attacks
Tokyo subway sarin attack
Heisei