Oops, it doesn't look like 'take back your candy corn day' is a national day..

Other days

pumpkin

Pumpkin Day

camera

Camera Day

bow tie

Bow Tie Day

prescription drug take back

Prescription Drug Take Back Day

eat what you want

Eat What You Want Day

Me Day

martini

Martini Day

one

One Day

azonto is acceptable

Azonto Is Acceptable Day

prosecco

Prosecco Day