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

Other days

slime

Slime Day
camera

Camera Day
latina equal pay

Latina Equal Pay Day
pampering

Pampering Day
self care

Self Care Day
one

One Day
law

Law Day
mean girls

Mean Girls Day
lumpy rug

Lumpy Rug Day
kiss a ginger

Kiss A Ginger Day