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

Other days

polyamory

Polyamory Day
camera

Camera Day
nail polish

Nail Polish Day
raise awerness of zeus

Raise Awerness Of Zeus Day
pampering

Pampering Day
ruby

Ruby Day
lumpy rug

Lumpy Rug Day
stud

Stud Day
martini

Martini Day
bounce

Bounce Day