Oops, it doesn't look like 'flags for independence day' is a national day..

Other days

stress awareness

Stress Awareness Day
martini

Martini Day
polyamory

Polyamory Day
pumpkin

Pumpkin Day
frozen yogurt

Frozen Yogurt Day
buddy

Buddy Day
kiss a brunette

Kiss A Brunette Day
self care

Self Care Day
raise awerness of zeus

Raise Awerness Of Zeus Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day