The #1 song in the UK on July 5, 1977

So You Win Again By Hot Chocolate

Other #1 songs on July 5, 1977

#1 Hit Song

Undercover Angel
Alan O'Day

#1 R&B Song

Best of My Love
The Emotions

#1 Country Song

I'll Be Leaving Alone
Charley Pride

#1 Dance Track

I Remember Yesterday (all cuts)
Donna Summer

Notable July 5 birthdays in the 1970s

Mike Cahill
Screenwriter
Born July 05, 1979
Gary Shteyngart 
Novelist
Born July 05, 1972
Glen Power
Drummer
Born July 05, 1978
Nuno Gomes
Soccer Player
Born July 05, 1976
Dale Godboldo
Movie Actor
Born July 05, 1975
Charles Klapow
Dancer
Born July 05, 1980
Allison Pottinger
Curler
Born July 05, 1973
Javier Saiach
Fashion Designer
Born July 05, 1974