Oops, it doesn't look like 'park deserves more than one day' is a national day..

Other days

singles

Singles Day
get funky

Get Funky Day
first love

First Love Day
nae nae

Nae Nae Day
mean girls

Mean Girls Day
pumpkin

Pumpkin Day
book

Book Day
offer

Offer Day
kale

Kale Day
gum

Gum Day