The #1 song on April 21, 1971

Joy to the World By Three Dog Night

Other #1 songs on April 21, 1971

UK #1 Song

Hot Love
T. Rex

#1 R&B Song

What's Going On
Marvin Gaye

#1 Country Song

Empty Arms
Sonny James

Notable April 21 birthdays in the 1970s

Sandy Jobin-bevans
TV Actor
Born April 21, 1972

Vincent Lecavalier
Hockey Player
Born April 21, 1980

Danyon Loader
Swimmer
Born April 21, 1975

Jack Taschner
Baseball Player
Born April 21, 1978

Alice Wu
Screenwriter
Born April 21, 1970

Kim Sozzi
Pop Singer
Born April 21, 1976

Katsuyuki Konishi
Voice Actor
Born April 21, 1973