Oops, it doesn't look like 'heroes park the other day' is a national day..

Other days

law

Law Day
kiss a ginger

Kiss A Ginger Day
bow tie

Bow Tie Day
martini

Martini Day
stress awareness

Stress Awareness Day
nail polish

Nail Polish Day
prosecco

Prosecco Day
self appreciation

Self Appreciation Day
cursing

Cursing Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day