Since 2000, Dr. Dre (with Eminem), Toby Keith and *NSYNC have all added to the history of renowned No. 25-peaking Hot 100 hits. (Over on the Billboard 200 albums chart, noteworthy No. 25-peaking ...

As Billlboard celebrates the first 25 years of the 21st century with charts recapping the top artists, albums and songs in that span, we're also looking back at 25 first-time feats, spotlighting ...