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

Other days

hoodie

Hoodie Day
nae nae

Nae Nae Day
china

China Day
bow tie

Bow Tie Day
ponytail

Ponytail Day
hot chocolate

Hot Chocolate Day
pumpkin

Pumpkin Day
tulip

Tulip Day
girl friend

Girl Friend Day
buddy

Buddy Day