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

Other days

china

China Day
stress awareness

Stress Awareness Day
hiv awareness

Hiv Awareness Day
hot chocolate

Hot Chocolate Day
youth

Youth Day
book

Book Day
ruby

Ruby Day
tell a fairytale

Tell A Fairytale Day
law

Law Day
aloxolt

Aloxolt Day