The #1 alternative song on May 21, 2009

Know Your Enemy By Green Day

Other #1 songs on May 21, 2009

#1 Hit Song

Boom Boom Pow
The Black Eyed Peas

UK #1 Song

Boom Boom Pow
The Black Eyed Peas

#1 R&B Song

Blame It
Jamie Foxx featuring T-Pain

#1 Country Song

It Happens
Sugarland

#1 Dance Track

Halo
Beyoncé

Notable May 21 birthdays in the 2000s

Lela Tonga
World Music Singer
Born May 21, 2002
Arielle Baril
Opera Singer
Born May 21, 2003
Matthew Bacik
TV Actor
Born May 21, 2001
Areana Lopez
Dancer
Born May 21, 2005
Hollyjboo
Dancer
Born May 21, 2004
Leya Kirsan
TV Actress
Born May 21, 2008