Oops, it doesn't look like 'recordsdoubles up on day' is a national day..

Other days

book

Book Day
cat girl

Cat Girl Day
one

One Day
hannah

Hannah Day
hot chocolate

Hot Chocolate Day
cuddle up

Cuddle Up Day
self care

Self Care Day
brow

Brow Day
lumpy rug

Lumpy Rug Day
singles

Singles Day