Oops, it doesn't look like 'park on a wet and windy day' is a national day..

Other days

Ponytail Day

Special Education Day

Lumpy Rug Day

Lisp Day

Kale Day

Appreciate Yaself A Lil Extra Day

Gum Day

Bonang Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tell Ur Crush You Like Them Day