Oops, it doesn't look like 'convention in charlotte on day' is a national day..

Other days

prescription drug take back

Prescription Drug Take Back Day
hiv awareness

Hiv Awareness Day
tell a fairytale

Tell A Fairytale Day
china

China Day
blanket fort

Blanket Fort Day
cursing

Cursing Day
kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
lost sock memorial

Lost Sock Memorial Day
martini

Martini Day