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

Other days

book

Book Day
fiancee

Fiancee Day
bounce

Bounce Day
lumpy rug

Lumpy Rug Day
cuddle up

Cuddle Up Day
lisp

Lisp Day
blanket fort

Blanket Fort Day
pumpkin

Pumpkin Day
camera

Camera Day
tulip

Tulip Day