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

Other days

prosecco

Prosecco Day
book

Book Day
one

One Day
china

China Day
bow tie

Bow Tie Day
buddy

Buddy Day
lost sock memorial

Lost Sock Memorial Day
nae nae

Nae Nae Day
stud

Stud Day
healing

Healing Day