- 1998-11-00 S is formed by YUNA and O-ZEKKI. (※ Note: the Wikipedia entry for S lists “SEIRA” as an original guitarist. This is fake information added by an errant user. The same user edited all dates on the page to be incorrect, as well.)
- 1998-11-00 【lineup】 V. Miyamichi / G. ITSUKI / G. YUNA / B. O-ZEKI / Support D. REINA
- 1998-12-00 First live is held at Gifu (岐阜) CASPER: over 100 people attend.
- 1998-12-00 At some point during this period, support drummer REINA officially joins.
- 1998-12-00 【lineup】 V. Miyamichi / G. ITSUKI / G. YUNA / B. O-ZEKI / D. REINA
- 1999-00-00 Sasori released.
- 1999-03-06 First tour beings with first oneman at Gifu (岐阜) CASPER.
- 1999-03-08 Kumo-KUMO- released.
- 1999-03-20 Scene 3 released.
- 1999-03-21 Decadence released.
- 1999-04-00 KUMO-KUMO- 2nd PRESS released.
- 1999-04-18 Tour final is held at Shinsaibashi (心斎橋) NEST SALOON.
- 1999-04-28 Free oneman is held at Nagoya (名古屋) MUSIC FARM.Vocalist Miyamichi fails to appear, and secedes on that day. S performs as a 4-person band for the next several lives.
- 1999-04-28 【lineup】 G. ITSUKI / G. YUNA / B. O-ZEKI / D. REINA
- 1999-07-09 【lineup】 V. DAI / G. ITSUKI / G. YUNA / B. O-ZEKI / D. REINA
- 1999-07-09 DAI, who had been considered as a potential vocalist when S first formed, joins S as vocalist.
- 1999-07-16 Oneman is held at Meguro (目黒) ROCKMAYKAN (鹿鳴館).
- 1999-07-17 Oneman is held at Nagoya (名古屋) MUSIC FARM.
- 1999-07-28 Oneman is held at Gifu (岐阜) CASPER.
- 1999-09-22 Oneman, 「Konchuu Saishuu」 (「昆虫採集」), is held at Nagoya (名古屋) THE BOTTOM LINE. An unknown present is freely distributed to attendees.
- 1999-09-29 Kouchuu Saishuu released.
- 1999-12-04 Tour, Mazoku no Daiidou (魔族の大移動), begins at Gifu (岐阜) CASPER (キャスパー).
- 2000-00-00 Ma released.
- 2000-01-26 Face of Soleil Ⅱ released.
- 2000-02-23 (A flyer advertises that a video, 「Ma」 (「魔」), would be released on this day, with UPC SLVT-001, for 2,200 yen. However, I can't actually find any other mention of the release, except for a separate version that was released later.)
- 2000-02-26 Oneman tour, Mazoku Tanjou TOUR (魔族誕生ツアー), begins at Machida (町田) PLAYHOUSE.
- 2000-02-27 Oneman tour, Mazoku Tanjou TOUR (魔族誕生ツアー), continues at Chiba (千葉) ROUTE 14.
- 2000-02-28 Oneman tour, Mazoku Tanjou TOUR (魔族誕生ツアー), continues at Kumagaya (熊谷) VOGUE.
- 2000-02-29 Oneman tour, Mazoku Tanjou TOUR (魔族誕生ツアー), ends at Yokohama (横浜) 7th AVENUE.
- 2000-03-08 Oneman tour, Tenkatouitsu (天下統一), begins at Nagoya (名古屋) CLUB QUATTRO.
- 2000-04-26 Yuusetsu released.
- 2000-04-26 Ma (Hansei VERESION) released.
- 2000-05-13 Special-price oneman, Juugyousankan~Bokutachi, Rippo ni Seichoushiteimasu~ (授業参観日~僕達、立派に成長しています~ is held at Gifushi Bunka CENTER (岐阜市文化センター).
Coupling tour with
La'Mule, Atsuryoku Senmetsu (圧力殲滅), begins.
- 2000-07-20 Ⅵ released.
- 2000-07-20 Ⅴ released.
- 2000-07-20 Ⅳ released.
- 2000-07-20 Ⅲ released.
- 2000-07-20 Ⅱ released.
- 2000-07-20 Ⅶ released.
- 2000-07-20 Ⅷ released.
- 2000-07-20 Ⅸ released.
- 2000-07-20 Ⅹ released.
- 2000-07-20 Ⅺ released.
- 2000-07-20 Ⅻ released.
- 2000-07-20 ⅩⅣ released.
- 2000-07-20 Ⅰ released.
- 2000-07-20 ⅩⅢ released.
- 2000-07-20 1999.12.29 Meguro ROCKMAYKAN released.
- 2000-07-20 LIVE EVENT VHS released.
- 2000-07-20 LIVE EVENT CD released.
- 2000-07-28 Soleil Treasure Box Set released.
- 2000-10-00 Bassist O-ZEKI changes his name to ZEEKI-.
- 2000-10-00 【lineup】 V. DAI / G. ITSUKI / G. YUNA / B. ZEKI- / D. REINA
- 2000-10-04 Official fanclub, Pretty Pets, starts.
- 2000-10-04 Shigen Zukan released.
- 2000-12-26 BANBAN FIRE☆ released.
- 2000-12-31 Soleil Shinseiki ni Mukatte promotion video special edition released.
- 2001-00-00 Pretty Pets released.
- 2001-01-00 GURUGURU COMMENT CD 2001 released.
- 2001-01-00 Soleil Face of Soleil 2000nen Natsu released.
- 2001-01-27 Vocalist DAI is involved in a car accident and breaks his jaw. While he recuperates, S performs as a 4-member unit.
- 2001-03-20 GURUGURU COMMENT CD 2001 Tsuika PRESS released.
- 2001-05-27 BABY ACOUSTIC VERSION released.
- 2001-06-00 ATSURYOKU SENMETSU released.
- 2001-07-00 ATSURYOKU SENMETSU released.
- 2001-08-23 Fukkatsu Nippon Seinenkan released.
- 2001-08-23 Fukkatsu Nippon Seinenkan 2001.5.27 released.
- 2001-09-21 Shock Edge 2001 released.
- 2001-09-22 Tour final oneman, Inokori Benkyou FINAL (いのこりべんきょう FINAL), is held at Shibuya (渋谷) AX HALL (AXホール). A special (unknown) award is given to attendees who wear the t-shirt that was included in the Fukkatsu Nippon Seinenkan (復活日本青年館) box set.
- 2001-09-23 Ichi Nensei released.
- 2001-12-02 Fan-appreciation free oneman, ~Kawatta Oretachi wo Mitekure~ (~変わった俺達を見てくれ~), is held at Nagoya (名古屋) CLUB OZON.
- 2001-12-17 New-year-celebration three-area oneman tour, Ikutoshi Kurutoshi (行くとし 来るとし), begins at Osaka (大阪) BOOMIN HALL.
- 2001-12-27 New-year-celebration three-area oneman tour, Ikutoshi Kurutoshi (行くとし 来るとし), continues at Nagoya (名古屋) ELL.
- 2002-02-03 Otona?~Mirai e no Jibun ni~ released.
- 2002-03-00 Soleil officially closes
- 2002-03-01 Yuusetsu SECOND PRESS released.
- 2002-03-14 Chikyuu released.
- 2002-07-00 S forms their own label, Levelup Records.
- 2002-07-22 Tour, “0” ZERO, starts at Nagoya (名古屋) CLUB QUATTRO.
- 2002-07-22 Ganbou released.
- 2002-12-01 Tour, “one”, begins at Neyagawa (寝屋川) VINTAGE BAR.
- 2002-12-01 Doryoku released.
- 2003-04-20 Oneman, Hisabisa no ONEMAN (久々のワンマン), is held at Oosuka (大塚) RED-Zone.
- 2003-09-22 S released.
- 2003-10-10 Invite-only free live is held at Neyagawa (寝屋川) VINTAGE BAR.
- 2003-10-12 Twoman is held at Maebashi (前橋) FLEEZ.
- 2003-12-16 Tour, 2 “TWO” (2 “トゥウ”), begins at Sendai (仙台) MACANA.
- 2004-01-21 Digital Video S ~Densetsu nante Iranai~ released.
- 2004-03-14 Last recorded live is held at Esaka (江坂) BOOMIN HALL. (The band is said to have continued into 2005, but I can't find any record proving so.)
- 2012-03-31 Matina PRESENTS 1999 -1999.5.23 Shibuya ON AIR EAST- released.