Oops, it doesn't look like 'dead mouse under the fridge weird smell in the kitchen day' is a national day..

Other days

Polyamory Day

Donate Your Hair Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Healing Day

Frozen Yogurt Day

Embarrass Your Best Friend Day

Ormille Day

Hot Chocolate Day

Buddy Day

Raise Awerness Of Zeus Day