The #1 dance song on October 21, 2011

In the Dark By Dev

Other #1 songs on October 21, 2011

#1 Hit Song

Someone Like You
Adele

UK #1 Song

We Found Love
Rihanna featuring Calvin Harris

#1 R&B Song

She Will
Lil Wayne featuring Drake

#1 Country Song

Long Hot Summer
Keith Urban

#1 Alternative Hit

Walk
Foo Fighters

Notable October 21 birthdays in the 2010s

Guinness the Cat
Cat
Born October 21, 2014