Oops, it doesn't look like 'five guys burgers and fries day' is a national day..

Other days

African Immigrant And Refugee Hiv And Hep Awareness Day

First Love Day

Bonang Day

Lisp Day

Embarrass Your Best Friend Day

Eat What You Want Day

Tell Ur Crush You Like Them Day

Offer Day

Brow Day

Lumpy Rug Day