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

Other days

raise awerness of zeus

Raise Awerness Of Zeus Day
comfy

Comfy Day
hannah

Hannah Day
kiss a ginger

Kiss A Ginger Day
nae nae

Nae Nae Day
cursing

Cursing Day
ask out your crush

Ask Out Your Crush Day
lost sock memorial

Lost Sock Memorial Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
hiv awareness

Hiv Awareness Day