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

Other days

comfy

Comfy Day
hoodie

Hoodie Day
bow tie

Bow Tie Day
blanket fort

Blanket Fort Day
self care

Self Care Day
youth

Youth Day
camera

Camera Day
prescription drug take back

Prescription Drug Take Back Day
buddy

Buddy Day
brow

Brow Day