Oops, it doesn't look like 'asshole recognition day' is a national day..

Other days

kiss a ginger

Kiss A Ginger Day
coffee

Coffee Day
bow tie

Bow Tie Day
lisp

Lisp Day
promposal

Promposal Day
martini

Martini Day
tulip

Tulip Day
blanket fort

Blanket Fort Day
lash

Lash Day
stud

Stud Day