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

Other days

cat girl

Cat Girl Day
azonto is acceptable

Azonto Is Acceptable Day
blanket fort

Blanket Fort Day
lisp

Lisp Day
bounce

Bounce Day
healing

Healing Day
boba

Boba Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
ormille

Ormille Day