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

Other days

offer

Offer Day
book

Book Day
boy friend

Boy Friend Day
coffee

Coffee Day
boyfriend

Boyfriend Day
hoodie

Hoodie Day
eat what you want

Eat What You Want Day
cuddle up

Cuddle Up Day
chocolate milkshake

Chocolate Milkshake Day
law

Law Day