The #1 song on December 21, 1979

Escape (The Piña Colada Song) By Rupert Holmes

Other #1 songs on December 21, 1979

UK #1 Song

Another Brick in the Wall (Part II)
Pink Floyd

#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

Rutina Wesley

Born December 21, 1978
Buddy Carlyle

Born December 21, 1977
Natalie Grant

Born December 21, 1971