Two years later, in August 1958, the Billboard Hot 100 songs chart began. At the end of 1958, ... 1970 Hot 100 peak position: No. 1 (for 6 weeks) Weeks Spent on Hot 100: 14. 1969.

On this day (July 4) in 1970, the first American Top 40 countdown premiered on KDEO in El Cajon, California. Hosted by the legendary radio personality Casey Kasem, the show counte ...