Template:This Day in History December 21


 * 2005 - Plein d'Amour ~Ai ga Ippai~ releases. (Iida Kaori album)
 * 2005 - Petit Best 6 releases. (Hello! Project compilation album)
 * 2011 - Matsuura Aya 10TH ANNIVERSARY BEST releases. (Matsuura Aya best album)