The #1 song on March 21, 2004

Yeah! By Usher featuring Lil Jon and Ludacris

Other #1 songs on March 21, 2004

UK #1 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
Mariel's Music
Pop Singer
Born March 21, 2002
Moon Mason
Movie Actor
Born March 21, 2007
Jace Norman
TV Actor
Born March 21, 2000
Elam Roberson
Pop Singer
Born March 21, 2005