Oops, it doesn't look like 'sneak some zucchini into your neighbors porch day' is a national day..

Other days

Kiss A Brunette Day

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day

One Day

Donate Your Hair Day

Ormille Day

Aloxolt Day

Unicorn Day

Hot Chocolate Day

Lash Day