Oops, it doesn't look like 'tombstone yer uncle through a flaming table day' is a national day..

Other days

Comfy Day

Singles Day

Raise Awerness Of Zeus Day

Tell A Fairytale Day

Ask Out Your Crush Day

Believe Day

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Prosecco Day

Self Appreciation Day