The number one song of the year was "Nothing Compares 2 U" by Sinead O'Connor
AT40 specials included: "Twentieth Anniversary Special"
News headlines from 1990 included: Iraq invades Kuwait, and The Hubble space telescope is launched into orbit
The number one song of the year was "(Everything I Do) I Do It for You" by Bryan Adams
AT40 specials included: "All American 4th of July Special"
November 30, 1991: AT40 switches charts, from the Hot 100 Singles chart to the Top 40 Radio Monitor Chart
News headlines from 1991 included: January 16, 1991 signaled
the start of an air campaign against Iraq, and The Soviet Union Ends
The number one song of the year is "End of the Road" by Boyz II Men
No AT40 specials aired during 1992.
News headlines from 1992 included: Largest shopping mall
in the US is constructed, and Johnny Carson leaves the Tonight
The number one song of the year is "Dreamlover" by Mariah Carey
No AT40 special aired during 1993
AT40 switches charts again, from the Hot 100 Airplay chart to the Top 40/Mainstream chart.
News headlines from 1993 included: New Kids on the Block
call it quits, and the final episode Of Cheers airs
The number one song of the year is "The Sign" by Ace of Base
No AT40 specials aired during 1994.
AT40 leaves American airwaves as ABC Radio Networks replaces it with Rick Dees Weekly Top 40
News headlines from 1994 included: Major League baseball players strike, resulting in the World Series being canceled, and a comet hits Jupiter
The final AT40 airs January 28, 1995. Shadoe ends the show by playing "Happy Trails"
American Top 40 is not heard from again until 1998
Click on a logo to hear a jingle from the shows,
The number one song of the year is "Iris" by the Goo Goo Dolls
On March 28, Casey Kasem brings back American Top 40 under AMFM networks. Two adult contemporary format versions, each called American Top 20, debut
News headlines from 1998 include: The movie Titanic breaks
box-office records, and Bob Barker's game show The Price is Right,
aired his 5,000th episode on CBS in the summer.
The number one song of the year is "Every Morning" by Sugar Ray
AT40 specials include "Top 40 of the 1990s" and a special covering music from the entire rock era.
News headlines from 1999 include: President Clinton is acquitted, and Latin pop breaks through to the mainstream.