Oops, it doesn't look like 'parks to visit on public lands day' is a national day..

Other days

polyamory

Polyamory Day
book

Book Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
kiss a ginger

Kiss A Ginger Day
brow

Brow Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
slime

Slime Day
ruby

Ruby Day
tell a fairytale

Tell A Fairytale Day
eat what you want

Eat What You Want Day