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

Other days

cat girl

Cat Girl Day
ponytail

Ponytail Day
one

One Day
hiv awareness

Hiv Awareness Day
pampering

Pampering Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
girl friend

Girl Friend Day
lumpy rug

Lumpy Rug Day
lisp

Lisp Day