The #1 country song on January 21, 2009

Start a Band By Brad Paisley duet with Keith Urban

Other #1 songs on January 21, 2009

#1 Hit Song

Just Dance
Lady Gaga featuring Colby O'Donis

UK #1 Song

Just Dance
Lady Gaga featuring Colby O'Donis

#1 R&B Song

Single Ladies (Put a Ring on It)
Beyoncé

#1 Alternative Hit

Sex on Fire
Kings of Leon

#1 Dance Track

Human
The Killers

Notable January 21 birthdays in the 2000s

Thea Floer Kulseng
World Music Singer
Born January 21, 2003

Lindsey Lamer
TV Actress
Born January 21, 2007

Jackson Brundage
TV Actor
Born January 21, 2001

Papa Jay
Rapper
Born January 21, 2008

Ben Carolan
Movie Actor
Born January 21, 2000

Zoey Diaz
TV Actress
Born January 21, 2005

Princess Ingrid Alexandra
Princess
Born January 21, 2004