Oops, it doesn't look like 'delete your twitter account day' is a national day..

Other days

Boba Day

Ruby Day

Ponytail Day

Prosecco Day

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ask Out Your Crush Day

Polyamory Day

Kiss A Brunette Day

Azonto Is Acceptable Day