Oops, it doesn't look like 'carrier make sure u dress like this the day' is a national day..

Other days

Chocolate Milkshake Day

Lost Sock Memorial Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Lumpy Rug Day

Comfy Day

Stud Day

Carpenters Day

Stress Awareness Day

Tulip Day

Youth Day