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

Other days

ruby

Ruby Day
blanket fort

Blanket Fort Day
boba

Boba Day
lisp

Lisp Day
gum

Gum Day
bounce

Bounce Day
martini

Martini Day
prosecco

Prosecco Day
one

One Day
raise awerness of zeus

Raise Awerness Of Zeus Day