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

Other days

one

One Day
self appreciation

Self Appreciation Day
kiss a ginger

Kiss A Ginger Day
boba

Boba Day
brow

Brow Day
stud

Stud Day
bow tie

Bow Tie Day
prescription drug take back

Prescription Drug Take Back Day
gallery

Gallery Day
hannah

Hannah Day