Oops, it doesn't look like 'retailers on these day' is a national day..

Other days

youth

Youth Day
tell a fairytale

Tell A Fairytale Day
singles

Singles Day
first love

First Love Day
kale

Kale Day
gum

Gum Day
polyamory

Polyamory Day
lash

Lash Day
ride the wind

Ride The Wind Day
one

One Day