Oops, it doesn't look like 'grid says there could be a gas deficit in britain by the end of the day' is a national day..

Other days

Carpenters Day

My Little Pony Day

Bubble Bath Day

Tell A Fairytale Day

Kale Day

Raise Awerness Of Zeus Day

Book Day

Donate Your Hair Day

Prescription Drug Take Back Day

Hiv Awareness Day