Oops, it doesn't look like 'cohesion is very much the theme of the day' is a national day..

Other days

Boba Day

Blanket Fort Day

Ponytail Day

Mean Girls Day

Lisp Day

Embarrass Your Best Friend Day

Promposal Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Kiss A Brunette Day