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

Other days

first love

First Love Day
polyamory

Polyamory Day
ormille

Ormille Day
self appreciation

Self Appreciation Day
pampering

Pampering Day
unicorn

Unicorn Day
martini

Martini Day
law

Law Day
gum

Gum Day
ponytail

Ponytail Day