Oops, it doesn't look like 'selfie go skate day' is a national day..

Other days

china

China Day
lisp

Lisp Day
blanket fort

Blanket Fort Day
coffee

Coffee Day
hannah

Hannah Day
stud

Stud Day
ride the wind

Ride The Wind Day
youth

Youth Day
get funky

Get Funky Day
donate your hair

Donate Your Hair Day