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

Other days

book

Book Day
slime

Slime Day
healing

Healing Day
eat what you want

Eat What You Want Day
kiss a brunette

Kiss A Brunette Day
coffee

Coffee Day
one

One Day
my little pony

My Little Pony Day
artists

Artists Day
bounce

Bounce Day