Oops, it doesn't look like 'parks with a special collection for earth day' is a national day..

Other days

cat girl

Cat Girl Day
ride the wind

Ride The Wind Day
embarrass your best friend

Embarrass Your Best Friend Day
bubble bath

Bubble Bath Day
latina equal pay

Latina Equal Pay Day
me

Me Day
china

China Day
boy friend

Boy Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
azonto is acceptable

Azonto Is Acceptable Day