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

Other days

pumpkin

Pumpkin Day
bonang

Bonang Day
gum

Gum Day
ruby

Ruby Day
nail polish

Nail Polish Day
mean girls

Mean Girls Day
tell a fairytale

Tell A Fairytale Day
fiancee

Fiancee Day
reading

Reading Day
self appreciation

Self Appreciation Day