Oops, it doesn't look like 'Helmet Awareness day' is a national day..

Other days

kale

Kale Day
ormille

Ormille Day
cursing

Cursing Day
prescription drug take back

Prescription Drug Take Back Day
eat what you want

Eat What You Want Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
kiss a brunette

Kiss A Brunette Day
healing

Healing Day
raise awerness of zeus

Raise Awerness Of Zeus Day
me

Me Day