The #1 song on April 21, 1979

Knock on Wood By Amii Stewart

Other #1 songs on April 21, 1979

UK #1 Song

Bright Eyes
Art Garfunkel

#1 R&B Song

Disco Nights (Rock-Freak)
GQ

#1 Country Song

All I Ever Need Is You
Kenny Rogers and Dottie West

#1 Dance Track

Dancer/ Dance to Dance
Gino Soccio

Notable April 21 birthdays in the 1970s

Rob Riggle
Comedian
Born April 21, 1970

Nadia Montenegro
TV Actress
Born April 21, 1972

Danyon Loader
Swimmer
Born April 21, 1975

Jennifer Blanc
TV Actress
Born April 21, 1974

Dave Brenner
Guitarist
Born April 21, 1978

Kareem Larrimore
Football Player
Born April 21, 1976