THE BOOM is formed in Yamanashi (山梨)山梨.
Vo./Gt. 宮沢和史, Gt. 小林孝至, Ba. 山川浩正, Dr. 栃木孝夫
THE BOOM become a major act and sign to Sony Music.
THE BOOM leave Sony Music and sign to Toshiba EMI.
THE BOOM leave Toshiba EMI and sign to FIVE D plus, a sublabel of Avex.
THE BOOM leave FIVE D plus and sign to R&C.
THE BOOM announce their official disbandment.
THE BOOM officially disbands.