The #1 song in the UK on July 5, 1978

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

Other #1 songs on July 5, 1978

#1 Hit Song

Shadow Dancing
Andy Gibb

#1 R&B Song

Close the Door
Teddy Pendergrass

#1 Country Song

I Believe in You
Mel Tillis

#1 Dance Track

Last Dance/ After Dark/ Thank God It's Friday/ Take It to the Zoo
Donna Summer/ Pattie Brooks/ Love & Kisses/ Sunshine

Notable July 5 birthdays in the 1970s

Bizarre

Born July 05, 1976
Robert Esmie

Born July 05, 1972
Mac Dre

Born July 05, 1970