Oops, it doesn't look like 'celebration to day' is a national day..

Other days

blanket fort

Blanket Fort Day
pumpkin

Pumpkin Day
hot chocolate

Hot Chocolate Day
believe

Believe Day
bounce

Bounce Day
hoodie

Hoodie Day
stud

Stud Day
cuddle up

Cuddle Up Day
self care

Self Care Day
brow

Brow Day