Oops, it doesn't look like 'double cheeseburger cheeseburger day' is a national day..

Other days

Appreciate Yaself A Lil Extra Day

Boba Day

Blanket Fort Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Hiv Awareness Day

Youth Day

Embarrass Your Best Friend Day

Lost Sock Memorial Day

Cuddle Up Day

Ponytail Day