Oops, it doesn't look like 'nutrition month and registered dietitian nutritionist day' is a national day..

Other days

bonang

Bonang Day
latina equal pay

Latina Equal Pay Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
embarrass your best friend

Embarrass Your Best Friend Day
unicorn

Unicorn Day
ruby

Ruby Day
ask out your crush

Ask Out Your Crush Day
azonto is acceptable

Azonto Is Acceptable Day
donate your hair

Donate Your Hair Day
china

China Day