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

Other days

Unicorn Day

Appreciate Yaself A Lil Extra Day

Eat What You Want Day

Prosecco Day

Ponytail Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Nae Nae Day

Stress Awareness Day

Bonang Day

Polyamory Day