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

Other days

lash

Lash Day
donate your hair

Donate Your Hair Day
china

China Day
ruby

Ruby Day
cuddle up

Cuddle Up Day
cursing

Cursing Day
stress awareness

Stress Awareness Day
offer

Offer Day
pick me

Pick Me Day
unicorn

Unicorn Day