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

Other days

lisp

Lisp Day
latina equal pay

Latina Equal Pay Day
polyamory

Polyamory Day
one

One Day
ruby

Ruby Day
kiss a ginger

Kiss A Ginger Day
first love

First Love Day
slime

Slime Day
comfy

Comfy Day
tell a fairytale

Tell A Fairytale Day