2000/06/03: Isshi (vocal), Akiya (guitar), Shin (guitar), Nao (bass) & Izumi (drums) debut as Kagrra, at Takadanobaba AREA.
2000/06/21: 1st demo tape [Kotodama] released.
2000/12/01: 1st album [Nue] released.

2001/03/03: 1st One Man LIVE [Ouka Ranman] in Shibuya On Air West; 2nd album [Sakura] released, [Nue] 2nd Press released.
2001/03/05~: Two Man Tour -PK Gassen- vs Poisonous Doll
2001/04/27: [Genwaku no Jyoukei] single released.
2001/05/26: [Memai] single released.
2001/06/29: [Kami Uta] single released.
2001/07/21: [Tsurezurenaru mama ni] single released.
2001/09/16~: 1st One Man Tour [～天地創造～神々の宴] begins.
2001/10/03: 3rd album [Irodori] released.
2001/11/01~: 2nd One Man Tour [狂喜乱舞～神・々の宴～] begins w/ 13 venues nationwide.
2001/11/22-24: 3 Days One Man [Auga Battle] at Takadanobaba AREA

2002/03/03: One Man LIVE at Shibuya On Air West.
2002/03/06: 1st Live Video [Kagura Fuunroku] released.
2002/04/03: [Yume izuru chi] single released.
2002/05/05~: 3rd One Man Tour [群雄割拠] begins w/ 10 venues nationwide.
2002/05/12: 4th album [Koi] released.
2002/08/20: One Man [Dairokkan] at Shibuya On Air East.
2002/10/04: [Kotodama] & [Sakura maichiru ano oka de] double singles released.
2002/11/04~: 4th One Man Tour [Oku no hosomichi] begins.
2002/11/21-23: 3 Days One Man [Auga Battle] at Takadanobaba AREA
2002/12/11: 1st full conceptual album [gozen] released.
2002/12/18~: One Man Tour [gozen]-dead of human world- begins.

2003/01/05: One Man Tour Final of [gozen]-dead of human world- at Shibuya Liquid Room.
2003/03/03: Girls Only One Man LIVE [Hinamatsuri] in the Harajuku Atro Hall.
2003/05/05: 1st photobook [gozen photobook]
2003/05/28: [Hara urara] maxi single released.
2003/07/30: [Yotogi banashi] maxi single released.
2003/08/15: Event with Isshi & Izumi at Shinjuku LOFT/PLUS ONE.
2003/08/27: One Man LIVE [Hisai] at Shinjuku Liquid Room.
2003/09/24: 6th album [Ouka ranman] released.
2003/11/19: [Hisai] LIVE DVD released.
2003/12/02: Last One Man LIVE [~Kaikasengen~Ouka Ranman] at SHIBUYA-AX. Major debut in 2004 announced at LIVE.
2003/12/07: Fanclub only LIVE event [Oni matsuri] at Takadanobaba AREA.

2004/01/01: 1st major single [Urei] released.
2004/03/03: [Miyako] full album released. First Major LIVE at Shibuya
2004/04/07: [~Kaikasengen~Ouka ranman] 2 Disc DVD (Live DVD+PV clips) released.
2004/05/28: Event w/ Isshi & Izumi at Shinjuku LOFT/PLUS ONE.
2004/07/21: [Rin] single & [Miyako~Inishie no tobira ga ima,,,~] LIVE DVD released.
2004/08-: begins w/ 10 venues nationwide.
2004/10/27: [Omou] single released.
2004/12/07: Shiabura Fanclub Only LIVE event [Onijou Festival].
2004/12/20: Shibuya Koukaidou One Man LIVE [Onioku~Tsuki ni Genrite~].
2004/12/26: Live performance event at TOKYO BAY NK HALL.
2004/12/30: Live performance event at Oomiya Sonic City.

2005/01/24: Event w/ Isshi & Izumi at Shinjuku LOFT/PLUS ONE.
2005/02/02: Double A side maxi singles [Genei no katachi] & [Sarasouju no komoriuta] released.
2005/03/03: Fanclub thanks event [Oni matsuri] at Keyname Club.
2005/04/03-14: One Man Tour [Sara~Natsukashi no rakuen~] begins w/ 5 venues nationwide.
2005/07/20: 2nd Full Album [燦~san~] released.
2005/08/15-22: Hall Oneman Tour ~雲燦霧消~ ~unsanmusyo~ begins.
2005/011/30: LIVE DVD [雲燦霧消 -unsanmusyo-] released.
2005/12/11-22: Kagrra, participates in Peace&Smile Carnival tour 2005.

2006/02/01: [Chikai no Tsuki] maxi-single released.
2006/04/04: [Supreme Essence of Neo Japanesque] LIVE at Tokyo Kouseinenkin Kaikan
2006/07/13-8/05: OneMan Tour 2006.
2006/09/26: [Kiseki~Ni] PV DVD released.
2006/11/22: [Utakata] maxi-single released.

2007/02/14: [Shizuku] full album released.
2007/03/03-18: [全国ツアー決定] Tour
2007/04/25-05/06: [雫～With a cause, as a result tour 2007～] Tour
2007/05/25: [J-Rock Revolution Festival] LIVE at The Wiltern in Los Angeles, CA, USA
2007/12/29: [J-ROCK INVASION: Episode I] LIVE at PALLADIUM in Cologne, Germany

2008/01/09: [Core] full album released.
2008/03/03-30: [核心～To inside of the core tour 2008～] Oneman Tour