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

Other days

ponytail

Ponytail Day
ruby

Ruby Day
blanket fort

Blanket Fort Day
pampering

Pampering Day
cursing

Cursing Day
coffee

Coffee Day
singles

Singles Day
mean girls

Mean Girls Day
first love

First Love Day
unicorn

Unicorn Day