The #1 song on April 20, 1979

Knock on Wood By Amii Stewart

Other #1 songs on April 20, 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 20 birthdays in the 1970s

Killer Mike

Born April 20, 1975
Julie Powell

Born April 20, 1973
Carmen Electra

Born April 20, 1972
Allan Houston

Born April 20, 1971
Shemar Moore

Born April 20, 1970