Oops, it doesn't look like 'former prisoner of war recognition cherish an antique day' is a national day..

Other days

polyamory

Polyamory Day
comfy

Comfy Day
tell a fairytale

Tell A Fairytale Day
reading

Reading Day
boy friend

Boy Friend Day
stress awareness

Stress Awareness Day
camera

Camera Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
azonto is acceptable

Azonto Is Acceptable Day
kale

Kale Day