- In 2000, Hashimoto forms chatmonchy in the city of Tokushima, Tokushima Prefecture. At the time of its formation, chatmonchy consisted of a total of six members -- two vocalists, two guitarists, a bassist, and a drummer.
- In 2002, due to exams, every member but Hashimoto leaves the band. Fukoka, then in the same grade as Hashimoto at Hashimoto's high school, joins as the band's bassist.
- In 2003, a male drummer joins the band. He soon leaves. Hashimoto and Fukoka play acoustic together and perform as a duo.
- In 2004, Fukoka meets Takahashi through a club at her university, and Takahashi joins as the group's drummer. The band independently produces an album, entitled chatmonchy ni naritai (チャットモンチーになりたい, chatmonchy ni naritai?) (out of distribution). The band members sell it themselves, chiefly by hand in the Tokushima area, achieving as many as 1500 sales.
- On November 23, 2005, with SUPERCAR's Junji Ishiwatari as producer, chatmonchy releases chatmonchy has come, its first album under the Ki/oon Records label. The album sells over 20,000 copies.
- On March 1, 2006, the band releases the single Koi no Kemuri (恋の煙, Koi no Kemuri?).
- On July 5, the band releases the album Miminari (耳鳴り, Miminari?). It debuts at number 10 on the Oricon album charts.
- On November 15, the band releases the single Shangrila (シャングリラ, Shangrila?). It debuts at number 6 on the Oricon single charts.
- On April 18, 2007, the band releases the single Joshi-tachi ni asu wa nai (女子たちに明日はない, Joshi-tachi ni asu wa nai?).
- On June 20, the band releases the single Tobiuo no Butterfly / Sekai ga Owaru Yoru ni (とび魚のバタフライ/世界が終わる夜に, Tobiuo no Butterfly / Sekai ga Owaru Yoru ni?). It debuts at number 9 on the Oricon single charts.
Taken from wikipedia.
