Oops, it doesn't look like 'parents get pissed at your child for no reason day' is a national day..

Other days

Unicorn Day

Prosecco Day

Lisp Day

Bow Tie Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Embarrass Your Best Friend Day

Aloxolt Day

Hiv Awareness Day

Singles Day

Promposal Day