Oops, it doesn't look like 'getting the parents back together day' is a national day..

Other days

Ask Out Your Crush Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Donate Your Hair Day

Chocolate Milkshake Day

Nae Nae Day

Ruby Day

Ormille Day

Polyamory Day

Promposal Day