The #1 song on September 21, 2011

Moves Like Jagger By Maroon 5 featuring Christina Aguilera

Other #1 songs on September 21, 2011

UK #1 Song

What Makes You Beautiful
One Direction

#1 R&B Song

I'm On One
DJ Khaled featuring Drake, Rick Ross & Lil Wayne

#1 Country Song

Barefoot Blue Jean Night
Jake Owen

#1 Alternative Hit

Walk
Foo Fighters

#1 Dance Track

California King Bed
Rihanna

Notable September 21 birthdays in the 2010s

Leah Rose Clements
Model
Born September 21, 2010
Omar the Maine Coon
Cat
Born September 21, 2013