Oops, it doesn't look like 'education union responds to boris johnson wanting all schoolchildren back all day' is a national day..

Other days

Lumpy Rug Day

Camera Day

Singles Day

Pumpkin Day

Chocolate Milkshake Day

Carpenters Day

Appreciate Yaself A Lil Extra Day

My Little Pony Day

Ponytail Day

Blanket Fort Day