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

Other days

one

One Day
hannah

Hannah Day
artists

Artists Day
lash

Lash Day
hiv awareness

Hiv Awareness Day
buddy

Buddy Day
eat what you want

Eat What You Want Day
stud

Stud Day
lost sock memorial

Lost Sock Memorial Day
bow tie

Bow Tie Day