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

Other days

bounce

Bounce Day
pampering

Pampering Day
ponytail

Ponytail Day
bow tie

Bow Tie Day
lisp

Lisp Day
aloxolt

Aloxolt Day
healing

Healing Day
hoodie

Hoodie Day
self care

Self Care Day
singles

Singles Day