Oops, it doesn't look like 'get involved with an extracurricular activity organization day' is a national day..

Other days

Prescription Drug Take Back Day

Artists Day

Bubble Bath Day

Ask Out Your Crush Day

China Day

Chocolate Milkshake Day

Pampering Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Nae Nae Day

First Love Day