The #1 song in the UK on December 20, 1977

Mull of Kintyre / Girls' School By Wings

Other #1 songs on December 20, 1977

#1 Hit Song

How Deep Is Your Love
Bee Gees

#1 R&B Song

Serpentine Fire
Earth, Wind & Fire

#1 Country Song

Here You Come Again
Dolly Parton

#1 Dance Track

Once Upon a Time... (all cuts)
Donna Summer

Notable December 20 birthdays in the 1970s

Andrei Markov

Born December 20, 1978
David Nedohin

Born December 20, 1973
Nicole de Boer

Born December 20, 1970