Oops, it doesn't look like 'tell a fairy tale pistachio day' is a national day..

Other days

self care

Self Care Day
polyamory

Polyamory Day
ruby

Ruby Day
coffee

Coffee Day
pumpkin

Pumpkin Day
one

One Day
brow

Brow Day
lash

Lash Day
self appreciation

Self Appreciation Day
offer

Offer Day