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

Other days

cursing

Cursing Day
lash

Lash Day
ruby

Ruby Day
gum

Gum Day
lisp

Lisp Day
offer

Offer Day
pampering

Pampering Day
self care

Self Care Day
blanket fort

Blanket Fort Day
tell a fairytale

Tell A Fairytale Day