The #1 song in the UK on December 21, 1979

Another Brick in the Wall (Part II) By Pink Floyd

Other #1 songs on December 21, 1979

#1 Hit Song

Escape (The Piña Colada Song)
Rupert Holmes

#1 R&B Song

Do You Love What You Feel
Rufus and Chaka

#1 Country Song

Happy Birthday Darlin'
Conway Twitty

#1 Dance Track

Deputy of Love
Don Armando's Second Avenue Rhumba Band

Notable December 21 birthdays in the 1970s

Matias Jesus Almeyda
Soccer Player
Born December 21, 1973
Kevin Miller
Voice Actor
Born December 21, 1977
Pei Ketron
Photographer
Born December 21, 1980
Tyo Nugros
Drummer
Born December 21, 1970
Florian Schulz
Photographer
Born December 21, 1975
Latroy Hawkins
Baseball Player
Born December 21, 1972
Glenn Fitzgerald
Movie Actor
Born December 21, 1971
John Pardee
Screenwriter
Born December 21, 1976