Oops, it doesn't look like 'no shoes day' is a national day..

Other days

lash

Lash Day
law

Law Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
lisp

Lisp Day
donate your hair

Donate Your Hair Day
bow tie

Bow Tie Day
bounce

Bounce Day
prosecco

Prosecco Day
bonang

Bonang Day