Other #1 songs on May 18, 2009
Across genres and charts

Know Your Enemy by Green Day

#1 alternative hit

Know Your Enemy

Green Day

Halo by Beyoncé

#1 dance track

Halo

Beyoncé

Blame It by Jamie Foxx featuring T-Pain

#1 R&B song

Blame It

Jamie Foxx featuring T-Pain

Boom Boom Pow by The Black Eyed Peas

#1 song in the UK

Boom Boom Pow

The Black Eyed Peas

Boom Boom Pow by The Black Eyed Peas

#1 song

Boom Boom Pow

The Black Eyed Peas

The #1 Movie
At the box office on May 18, 2009

Angels & Demons

Angels & Demons

Directed by Ron Howard

Notable May 18 Birthdays
Born in the 2000s

Emma Navarro

Tennis Player

Born May 18, 2001

Travis Hunter

Football Player

Born May 18, 2003