Oops, it doesn't look like 'heroes shala girl day' is a national day..

Other days

one

One Day
hannah

Hannah Day
unicorn

Unicorn Day
lisp

Lisp Day
nae nae

Nae Nae Day
artists

Artists Day
girl friend

Girl Friend Day
cuddle up

Cuddle Up Day
nail polish

Nail Polish Day
tulip

Tulip Day