The #1 song in the UK on January 20, 2009

Just Dance By Lady Gaga featuring Colby O'Donis

Other #1 songs on January 20, 2009

#1 Hit Song

Just Dance
Lady Gaga featuring Colby O'Donis

#1 R&B Song

Single Ladies (Put a Ring on It)
Beyoncé

#1 Country Song

Start a Band
Brad Paisley duet with Keith Urban

#1 Alternative Hit

Sex on Fire
Kings of Leon

#1 Dance Track

Human
The Killers

Notable January 20 birthdays in the 2000s

Mike Singer
Pop Singer
Born January 20, 2000
Jaylynn
R&B Singer
Born January 20, 2002
Jo Woo-chan
Rapper
Born January 20, 2005
Antonia Gigovska
World Music Singer
Born January 20, 2001
Ella Gross
Model
Born January 20, 2008