Oops, it doesn't look like 'media one guy left one party is the only important thing the whole day' is a national day..

Other days

Prosecco Day

China Day

Latina Equal Pay Day

Book Day

Youth Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tulip Day

Mean Girls Day

Tell Ur Crush You Like Them Day

Nae Nae Day