Oops, it doesn't look like 'spread the word inclusion day' is a national day..

Other days

book

Book Day
bow tie

Bow Tie Day
lisp

Lisp Day
hot chocolate

Hot Chocolate Day
nae nae

Nae Nae Day
stud

Stud Day
buddy

Buddy Day
artists

Artists Day
gum

Gum Day
self care

Self Care Day