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

Other days

brow

Brow Day
book

Book Day
pick me

Pick Me Day
eat what you want

Eat What You Want Day
hoodie

Hoodie Day
kiss a ginger

Kiss A Ginger Day
pumpkin

Pumpkin Day
hot chocolate

Hot Chocolate Day
law

Law Day
coffee

Coffee Day