Oops, it doesn't look like 'square up to your nan and stick nut on her for being a nazi slag day' is a national day..

Other days

Lisp Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ride The Wind Day

Raise Awerness Of Zeus Day

Self Appreciation Day

Kiss A Brunette Day

Ponytail Day

Nail Polish Day

Embarrass Your Best Friend Day

Unicorn Day