Oops, it doesn't look like 'Not Me Af day' is a national day..

Other days

polyamory

Polyamory Day
artists

Artists Day
bubble bath

Bubble Bath Day
law

Law Day
first love

First Love Day
carpenters

Carpenters Day
martini

Martini Day
china

China Day
ruby

Ruby Day
tell a fairytale

Tell A Fairytale Day