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

Other days

me

Me Day
bow tie

Bow Tie Day
stud

Stud Day
youth

Youth Day
pumpkin

Pumpkin Day
ride the wind

Ride The Wind Day
cuddle up

Cuddle Up Day
bubble bath

Bubble Bath Day
tulip

Tulip Day
singles

Singles Day