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.

Stacker consulted the Billboard Hot 100 to rank the longest-running #1 songs by the number of weeks they spent at the top ...

"The kicky, 23-year-old British singer released her second album, the break-up requiem 21, in February, but it wasn't just ...