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

Other days

cat girl

Cat Girl Day
one

One Day
lash

Lash Day
stud

Stud Day
promposal

Promposal Day
eat what you want

Eat What You Want Day
tell a fairytale

Tell A Fairytale Day
gum

Gum Day
lost sock memorial

Lost Sock Memorial Day
artists

Artists Day