Other #1 songs on March 21, 2007
Across genres and charts

Pain by Three Days Grace

#1 alternative hit

Pain

Three Days Grace

And I Am Telling You I'm Not Going by Jennifer Hudson

#1 dance track

And I Am Telling You I'm Not Going

Jennifer Hudson

Lost Without U by Robin Thicke

#1 R&B song

Lost Without U

Robin Thicke

Walk This Way by Sugababes vs. Girls Aloud

#1 song in the UK

Walk This Way

Sugababes vs. Girls Aloud

Glamorous by Fergie featuring Ludacris

#1 song

Glamorous

Fergie featuring Ludacris

The #1 Movie
At the box office on March 21, 2007

300

300

Directed by Zack Snyder

Notable March 21 Birthdays
Born in the 2000s

Jace Norman

Actor

Born March 21, 2000