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 chart ...

It's kind of hard to forget the one rock song that actually cracked Billboard's Hot 100 Songs of the 21st Century, but we'll let Nickelback remind you. Released as a single in July 2001 ...

We're counting down the ... The rapper has topped Billboard's charts numerous amount of times. Keep watching to see how he ...