Oops, it doesn't look like 'law enforcement museum opens to the public on the same day' is a national day..

Other days

African Immigrant And Refugee Hiv And Hep Awareness Day

Carpenters Day

Azonto Is Acceptable Day

Kiss A Brunette Day

Raise Awerness Of Zeus Day

Stress Awareness Day

Ride The Wind Day

Promposal Day

Boy Friend Day

Emoji Day