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

Other days

pumpkin

Pumpkin Day
eat what you want

Eat What You Want Day
lisp

Lisp Day
lumpy rug

Lumpy Rug Day
lash

Lash Day
prosecco

Prosecco Day
kale

Kale Day
my little pony

My Little Pony Day
boyfriend

Boyfriend Day
slime

Slime Day