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

Sunday Girl By Blondie

Other #1 songs on May 21, 1979

#1 Hit Song

Reunited
Peaches & Herb

#1 R&B Song

I Wanna Be With You (Part 1)
The Isley Brothers

#1 Country Song

If I Said You Had a Beautiful Body Would You Hold It Against Me
The Bellamy Brothers

#1 Dance Track

Hot Stuff / Bad Girls
Donna Summer

Notable May 21 birthdays in the 1970s

Robbie Magasiva
Movie Actor
Born May 21, 1970
Gotye
Rock Singer
Born May 21, 1980
Edward Watson
Dancer
Born May 21, 1976
Tommy Dunne
Hurler
Born May 21, 1974
Aditya Chopra
Director
Born May 21, 1971
Homayoun Shajarian
World Music Singer
Born May 21, 1975
Olga Sosnovska
TV Actress
Born May 21, 1972