This week 48 years ago, President Lyndon Johnson signed the Civil Rights Act of 1968; the London Bridge was sold to a U.S. oil company, and was later erected in Arizona; “2001: A Space Odysse… ...

In celebration of the 55th anniversary of the Hot 100 on Aug. 4, 2013, here is a list of the top 100 songs in the tally’s history, ranked in order of chart performance.