White Christmas (weather) by Bing Crosby from the film "Holiday Inn", is the best-selling single of all time and speaks nostalgically of a traditional white Christmas. The definition of "white Christmas" varies. In most countries, it simply means that the ground is covered by snow at Christmas, but some countries have more strict definitions. In the United States, the official definition of a white Christmas is that there has to be a snow depth of at least at 7:00 a.m. local time on Christmas morning, and in Canada the official definition is that there has to be more than on the ground on
Do They Know It's Christmas? five weeks, becoming the Christmas number one of 1984. The record became the fastest selling single in UK chart history, selling a million copies in the first week alone and passing 3 million on the last day of 1984, on the way to displacing Wings's "Mull of Kintyre" as the biggest-selling single of all time in the UK. It held this title until 1997 when it was overtaken by Elton John's "Candle in the Wind 1997", released in tribute to Diana, Princess of Wales following her death. The original version of "Do They Know It's Christmas?" has sold 3.8 million