The #1 song in the UK on July 21, 1978

You're the One That I Want By John Travolta and Olivia Newton-John

Other #1 songs on July 21, 1978

#1 Hit Song

Shadow Dancing
Andy Gibb

#1 R&B Song

You and I
Rick James

#1 Country Song

Only One Love in My Life
Ronnie Milsap

#1 Dance Track

Boogie Oogie Oogie
A Taste of Honey

Notable July 21 birthdays in the 1970s

David Carr

Born July 21, 1979
Cori Bush

Born July 21, 1976
Christopher Barzak

Born July 21, 1975
Geoff Jenkins

Born July 21, 1974
Kimera Bartee

Born July 21, 1972
Michael Fitzpatrick

Born July 21, 1970