The day SSB DX was released. It is the second title in the series and the number one selling title for the GameCube. The ultimate operability that will continue for future generations was completed here [What day is today?] 】

The day SSB DX was released. It is the second title in the series and the number one selling title for the GameCube. The ultimate operability that will continue for future generations was completed here [What day is today?] 】
A look back at what happened in the gaming industry on this day in the past. November 21, 2001 (Heisei 13) is the day when the GameCube software "Super Smash Bros. DX" (SSB DX) was released....

The linked article is in Japanese.