The #1 song in the UK on April 21, 1977

Knowing Me, Knowing You By ABBA

Other #1 songs on April 21, 1977

#1 Hit Song

Don't Leave Me This Way
Thelma Houston

#1 R&B Song

The Pride (Part 1)
The Isley Brothers

#1 Country Song

She's Got You
Loretta Lynn

#1 Dance Track

Do What You Wanna Do
T-Connection

Notable April 21 birthdays in the 1970s

Roxanna
Pop Singer
Born April 21, 1974

Laura Calder
TV Show Host
Born April 21, 1970

Sandy Jobin-bevans
TV Actor
Born April 21, 1972

Graham Jarvis
Motorcycle Racer
Born April 21, 1975

Kim Sozzi
Pop Singer
Born April 21, 1976

Jack Taschner
Baseball Player
Born April 21, 1978

Barbara Guimaraes
TV Show Host
Born April 21, 1973