Oops, it doesn't look like 'park for a fee free day' is a national day..

Other days

singles

Singles Day

hiv awareness

Hiv Awareness Day

ask out your crush

Ask Out Your Crush Day

azonto is acceptable

Azonto Is Acceptable Day

pampering

Pampering Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

believe

Believe Day

unicorn

Unicorn Day

Emoji Day

china

China Day