Oops, it doesn't look like 'possessive faen painful smiles day' is a national day..

Other days

Chocolate Milkshake Day

Brow Day

Boyfriend Day

Gum Day

Polyamory Day

Tell A Fairytale Day

Embarrass Your Best Friend Day

Mean Girls Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day