Oops, it doesn't look like 'award for best feature in those day' is a national day..

Other days

unicorn

Unicorn Day
lisp

Lisp Day
girl friend

Girl Friend Day
lumpy rug

Lumpy Rug Day
one

One Day
bow tie

Bow Tie Day
law

Law Day
book

Book Day
gallery

Gallery Day
comfy

Comfy Day