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

Book Day

Girl Friend Day

Unicorn Day

Embarrass Your Best Friend Day

Healing Day

Prescription Drug Take Back Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day

Gum Day

Slime Day