The UK's best-selling single of 1984 was Do They Know It's Christmas? by Band Aid, with chart sales in excess of 2.4 million, according to Official Charts Company data.
As revealed on new Channel 5 series Britain's favourite 80s songs, currently airing every Friday at 10pm, the iconic charity single organised by Bob Geldof is both the second-bestselling single of all time in the UK, as well as the best-selling Christmas single ever in the country.
Band Aid also has an enviable legacy - the 1984 original has since spawned three successive cover versions for charity, all of which have also peaked at Number 1 on the Official Singles Chart.
Read more on officialcharts.com