Oops, it doesn't look like 'forests and grasslands on public lands day' is a national day..

Other days

Fiancee Day

Hoodie Day

Appreciate Yaself A Lil Extra Day

Ponytail Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Chocolate Milkshake Day

Promposal Day

Bow Tie Day

Book Day

Eat What You Want Day