20 December

Birthdays

 * Uri Geller (b.1946), Gigliola Cinquetti (b.1947), Billy Bragg (b.1957), Ashley Cole (b.1980).

Events

 * 1990: The world's first website and server go live at CERN
 * 2007: Queen Elizabeth II becomes oldest ever monarch of the UK
 * 2020: new Tier-4 zones introduced in England

Charts
as announced on this day, with no.1 single (new in bold). Click year for full chart.

all Christmas No.1s
 * 1967: The Beatles - Hello Goodbye (3/7)
 * 1970: Dave Edmunds - I Hear You Knocking (5/6)
 * 1977: Wings - Mull of Kintyre/Girls School (4/9)
 * 1983: The Flying Pickets - Only You (3/5)
 * 1987: Pet Shop Boys - Always On My Mind (2/4)
 * 1992: Whitney Houston - I Will Always Love You (4/10)
 * 1998: Spice Girls - Goodbye (1/1)
 * 2009: Rage Against The Machine - Killing In The Name (1/1)

Top of the Pops
host DJ and number one single.
 * 1973: JS. Slade - Merry Xmas Everybody.
 * 1979: JS. Pink Floyd - Another Brick In The Wall (Part 2).
 * 1984: Simon Bates & Janice Long. Band Aid - Do They Know It’s Christmas?
 * 1990: Bruno Brookes. Vanilla Ice – Ice Ice Baby.
 * 1996: Shaun Ryder. Dunblane – Knocking On Heaven’s Door.
 * 2002: Sarah Cawood. Blue feat. Elton John – Sorry Seems To Be The Hardest Word.