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

Berhane Adere
Runner
Born July 21, 1973

Allison Wagner
Swimmer
Born July 21, 1977

Sprague Grayden
TV Actress
Born July 21, 1980

Pacha Man
Reggae Singer
Born July 21, 1976

Manuel Varet Marte
Rapper
Born July 21, 1979

Robert Mizzell
Country Singer
Born July 21, 1971

Korey Cooper
Guitarist
Born July 21, 1972

Michael Fitzpatrick
Soul Singer
Born July 21, 1970

Ray Galletti
Movie Actor
Born July 21, 1974