Oops, it doesn't look like 'flags to attract customers to mark the independent day' is a national day..

Other days

Get Funky Day

Latina Equal Pay Day

Ormille Day

Chocolate Milkshake Day

Kiss A Brunette Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Donate Your Hair Day

Lash Day

Girl Friend Day

Offer Day