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

Other days

eat what you want

Eat What You Want Day
carpenters

Carpenters Day
lisp

Lisp Day
comfy

Comfy Day
brow

Brow Day
stud

Stud Day
hoodie

Hoodie Day
bow tie

Bow Tie Day
one

One Day
tell a fairytale

Tell A Fairytale Day