Oops, it doesn't look like 'Dillweed Groovy Music day' is a national day..

Other days

aloxolt

Aloxolt Day
get funky

Get Funky Day
raise awerness of zeus

Raise Awerness Of Zeus Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
nail polish

Nail Polish Day
blanket fort

Blanket Fort Day
boy friend

Boy Friend Day
comfy

Comfy Day
stress awareness

Stress Awareness Day
reading

Reading Day