Oops, it doesn't look like 'flag in beijing to celebrate independence day' is a national day..

Other days

Lumpy Rug Day

Carpenters Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Youth Day

Bow Tie Day

Hoodie Day

Ponytail Day

Hiv Awareness Day

Tell A Fairytale Day

Kiss A Ginger Day