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

Other days

healing

Healing Day
lumpy rug

Lumpy Rug Day
bonang

Bonang Day
bow tie

Bow Tie Day
buddy

Buddy Day
boy friend

Boy Friend Day
tulip

Tulip Day
brow

Brow Day
nail polish

Nail Polish Day
gum

Gum Day