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

Other days

tulip

Tulip Day
tell a fairytale

Tell A Fairytale Day
kiss a ginger

Kiss A Ginger Day
offer

Offer Day
eat what you want

Eat What You Want Day
kiss a brunette

Kiss A Brunette Day
boba

Boba Day
lost sock memorial

Lost Sock Memorial Day
azonto is acceptable

Azonto Is Acceptable Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day