Name: Know Your Enemy by Green Day
Uploaded: 2009-05-21T00:00:00+00:00
Description: Know Your Enemy by Green Day was the #1 song on May 21, 2009. Watch the music video and find other hit songs for any day.

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

#1 country song

It Happens

Sugarland

#1 dance track

Halo

Beyoncé

#1 R&B song

Blame It

Jamie Foxx featuring T-Pain

#1 song in the UK

Boom Boom Pow

The Black Eyed Peas

#1 song

Boom Boom Pow

The Black Eyed Peas

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

Terminator Salvation

Directed by McG