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

Other days

stud

Stud Day
chocolate milkshake

Chocolate Milkshake Day
hoodie

Hoodie Day
bounce

Bounce Day
bubble bath

Bubble Bath Day
ruby

Ruby Day
boy friend

Boy Friend Day
girl friend

Girl Friend Day
pampering

Pampering Day
tulip

Tulip Day