Oops, it doesn't look like 'chocolate me day' is a national day..

Other days

believe

Believe Day
lisp

Lisp Day
pick me

Pick Me Day
pumpkin

Pumpkin Day
china

China Day
unicorn

Unicorn Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
slime

Slime Day
tell a fairytale

Tell A Fairytale Day