Looking back at the biggest hit singles of every year, dating to the Hot 100's 1958 launch. By Xander Zellner Billboard has been publishing weekly rankings in one form or another for over a century.

Plus, check out Billboard's Top Hot 100 Songs of the 21st Century chart, Top Artists of the 21st Century chart and Top ...

LiAngelo Ball is officially a Billboard Hot 100-charting artist, as his breakthrough viral hit, "Tweaker," debuts at No. 29 ...

The Billboard Hot 100 singles chart measures the most popular songs every week from Friday to Thursday based on the combination of their sales, online streams (audio and video), and radio airplay.