Oops, it doesn't look like 'i hate my life day' is a national day..

Other days

martini

Martini Day
ruby

Ruby Day
self appreciation

Self Appreciation Day
self care

Self Care Day
polyamory

Polyamory Day
mean girls

Mean Girls Day
kale

Kale Day
blanket fort

Blanket Fort Day
unicorn

Unicorn Day
one

One Day