Oops, it doesn't look like 'everyone gets a xanax day' is a national day..

Other days

lost sock memorial

Lost Sock Memorial Day
prosecco

Prosecco Day
china

China Day
bow tie

Bow Tie Day
kale

Kale Day
eat what you want

Eat What You Want Day
one

One Day
me

Me Day
gum

Gum Day
buddy

Buddy Day