Oops, it doesn't look like 'gumm worm day' is a national day..

Other days

Embarrass Your Best Friend Day

Stress Awareness Day

Lash Day

My Little Pony Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Cursing Day

Offer Day

Pampering Day

Tell Ur Crush You Like Them Day

Donate Your Hair Day