Oops, it doesn't look like 'park on second day' is a national day..

Other days

Stress Awareness Day

Prosecco Day

Appreciate Yaself A Lil Extra Day

Promposal Day

Ponytail Day

Singles Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Bubble Bath Day

Chocolate Milkshake Day

My Little Pony Day