Oops, it doesn't look like 'slow drivers day' is a national day..

Other days

raise awerness of zeus

Raise Awerness Of Zeus Day
ruby

Ruby Day
nail polish

Nail Polish Day
stress awareness

Stress Awareness Day
blanket fort

Blanket Fort Day
nae nae

Nae Nae Day
eat what you want

Eat What You Want Day
healing

Healing Day
boba

Boba Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day