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

Other days

law

Law Day
self appreciation

Self Appreciation Day
ruby

Ruby Day
camera

Camera Day
blanket fort

Blanket Fort Day
slime

Slime Day
pumpkin

Pumpkin Day
hiv awareness

Hiv Awareness Day
get funky

Get Funky Day
cursing

Cursing Day