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

Other days

china

China Day
boba

Boba Day
ruby

Ruby Day
embarrass your best friend

Embarrass Your Best Friend Day
eat what you want

Eat What You Want Day
kale

Kale Day
law

Law Day
tulip

Tulip Day
stud

Stud Day
kiss a ginger

Kiss A Ginger Day