Oops, it doesn't look like 'arab american heritage day' is a national day..

Other days

boba

Boba Day
bow tie

Bow Tie Day
my little pony

My Little Pony Day
get funky

Get Funky Day
china

China Day
girl friend

Girl Friend Day
lisp

Lisp Day
brow

Brow Day
pumpkin

Pumpkin Day
kale

Kale Day