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

Other days

hot chocolate

Hot Chocolate Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
self care

Self Care Day
china

China Day
tell a fairytale

Tell A Fairytale Day
ruby

Ruby Day
law

Law Day
bonang

Bonang Day
camera

Camera Day