Oops, it doesn't look like 'cemetery closed to all but family pass holders on memorial day' is a national day..

Other days

Chocolate Milkshake Day

Lash Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Emoji Day

Raise Awerness Of Zeus Day

Embarrass Your Best Friend Day

Comfy Day

Coffee Day

Lumpy Rug Day

Bonang Day