Oops, it doesn't look like 'fudge flip flop day' is a national day..

Other days

lisp

Lisp Day
gum

Gum Day
frozen yogurt

Frozen Yogurt Day
raise awerness of zeus

Raise Awerness Of Zeus Day
girl friend

Girl Friend Day
blanket fort

Blanket Fort Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
offer

Offer Day
ride the wind

Ride The Wind Day
me

Me Day