Here's a look at 25 chart feats that didn't happen until the 21st century, including achievements by Taylor Swift, BTS, ...

Nickelback was also the highest-charting rock artist on the magazine's list of the Top Artists of the Century, coming in at ...

Taylor Swift takes the No. 2 spot on Billboard's 25 Greatest Pop Stars of the 21st Century ... and had a successful start with several top 40 hits like "Our Song," "Should've Said No," and ...