Oops, it doesn't look like 'pretend you care what your coworkers did for july fourth day' is a national day..

Other days

Donate Your Hair Day

Appreciate Yaself A Lil Extra Day

Bow Tie Day

Latina Equal Pay Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Coffee Day

One Day

Unicorn Day

Fiancee Day

Boyfriend Day