Oops, it doesn't look like 'embarrassment for not celebrating mlk day' is a national day..

Other days

Chocolate Milkshake Day

Tulip Day

Lost Sock Memorial Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Blanket Fort Day

Healing Day

Bow Tie Day

Get Funky Day

Prescription Drug Take Back Day

Embarrass Your Best Friend Day