Other #1 songs on January 21, 2009
Across genres and charts

#1 country song

Start a Band

Brad Paisley duet with Keith Urban

#1 dance track

Human

The Killers

#1 R&B song

Single Ladies (Put a Ring on It)

Beyoncé

#1 song in the UK

Just Dance

Lady Gaga featuring Colby O'Donis

#1 song

Just Dance

Lady Gaga featuring Colby O'Donis

The #1 Movie
At the box office on January 21, 2009

Gran Torino

Directed by Clint Eastwood

Notable January 21 Birthdays
Born in the 2000s

IShowSpeed

Influencer

Born January 21, 2005