Plus, remembering feats by The Beatles, Elton John & Bee Gees.
Your weekly recap celebrating significant milestones from more than seven decades of Billboard chart history.
Jan. 30, 1999
Almost two months after her 17th birthday, Britney Spears notched her first Billboard Hot 100 No. 1, as her introductory smash, "...Baby One More Time," reached the pinnacle. At the same time, her album of the same name soared in at No. 1 on the Billboard 200 for its first of six weeks on top. As reported last week, only two artists have since scored their first weeks at No. 1 on the Hot 100 and Billboard 200 simultaneously: Beyoncé and Camila Cabello.