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

Other days

azonto is acceptable

Azonto Is Acceptable Day
nae nae

Nae Nae Day
one

One Day
hoodie

Hoodie Day
polyamory

Polyamory Day
kiss a ginger

Kiss A Ginger Day
kale

Kale Day
ormille

Ormille Day
tulip

Tulip Day
bow tie

Bow Tie Day