Oops, it doesn't look like 'chocolate chip chocolate chip chewy day' is a national day..

Other days

eat what you want

Eat What You Want Day
hoodie

Hoodie Day
promposal

Promposal Day
believe

Believe Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
nae nae

Nae Nae Day
donate your hair

Donate Your Hair Day
embarrass your best friend

Embarrass Your Best Friend Day
boy friend

Boy Friend Day
hot chocolate

Hot Chocolate Day