Oops, it doesn't look like 'Dm Emoji day' is a national day..

Other days

buddy

Buddy Day
nae nae

Nae Nae Day
stud

Stud Day
first love

First Love Day
camera

Camera Day
kiss a brunette

Kiss A Brunette Day
bounce

Bounce Day
tell a fairytale

Tell A Fairytale Day
china

China Day
one

One Day