Oops, it doesn't look like 'gyro cherry popover day' is a national day..

Other days

ormille

Ormille Day
lumpy rug

Lumpy Rug Day
offer

Offer Day
get funky

Get Funky Day
pumpkin

Pumpkin Day
tulip

Tulip Day
one

One Day
pick me

Pick Me Day
frozen yogurt

Frozen Yogurt Day
gum

Gum Day