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

Other days

blanket fort

Blanket Fort Day
promposal

Promposal Day
coffee

Coffee Day
raise awerness of zeus

Raise Awerness Of Zeus Day
ruby

Ruby Day
mean girls

Mean Girls Day
china

China Day
pick me

Pick Me Day
nae nae

Nae Nae Day
fiancee

Fiancee Day