Oops, it doesn't look like 'marks on first day' is a national day..

Other days

Tell Ur Crush You Like Them Day

Fiancee Day

Appreciate Yaself A Lil Extra Day

Polyamory Day

Brow Day

Ormille Day

African Immigrant And Refugee Hiv And Hep Awareness Day

China Day

Hoodie Day

Pick Me Day