Oops, it doesn't look like 'im alone day' is a national day..

Other days

bubble bath

Bubble Bath Day
hoodie

Hoodie Day
ruby

Ruby Day
lumpy rug

Lumpy Rug Day
girl friend

Girl Friend Day
nail polish

Nail Polish Day
buddy

Buddy Day
lisp

Lisp Day
believe

Believe Day
stud

Stud Day