Oops, it doesn't look like 'voting on one day' is a national day..

Other days

me

Me Day
ormille

Ormille Day
get funky

Get Funky Day
my little pony

My Little Pony Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
ruby

Ruby Day
lisp

Lisp Day
healing

Healing Day
gum

Gum Day