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

Other days

tell a fairytale

Tell A Fairytale Day
unicorn

Unicorn Day
bonang

Bonang Day
lumpy rug

Lumpy Rug Day
slime

Slime Day
gum

Gum Day
bounce

Bounce Day
mean girls

Mean Girls Day
martini

Martini Day
ruby

Ruby Day