The #1 song in the UK on March 21, 2004

Yeah! By Usher featuring Lil Jon and Ludacris

Other #1 songs on March 21, 2004

#1 Hit Song

Yeah!
Usher featuring Lil Jon and Ludacris

#1 R&B Song

Yeah!
Usher featuring Lil Jon and Ludacris

#1 Country Song

Watch the Wind Blow By
Tim McGraw

#1 Alternative Hit

Megalomaniac
Incubus

#1 Dance Track

Toxic
Britney Spears

Notable March 21 birthdays in the 2000s

Alfie Sheard
Pop Singer
Born March 21, 2001
Yoon San-ha
Pop Singer
Born March 21, 2000
Elam Roberson
Pop Singer
Born March 21, 2005
Moon Mason
Movie Actor
Born March 21, 2007
Daniela Knight
Pop Singer
Born March 21, 2002