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

Other days

pick me

Pick Me Day
hannah

Hannah Day
singles

Singles Day
unicorn

Unicorn Day
lash

Lash Day
mean girls

Mean Girls Day
gum

Gum Day
eat what you want

Eat What You Want Day
hiv awareness

Hiv Awareness Day
offer

Offer Day