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

Other days

hannah

Hannah Day
blanket fort

Blanket Fort Day
special education

Special Education Day
gum

Gum Day
one

One Day
aloxolt

Aloxolt Day
offer

Offer Day
my little pony

My Little Pony Day
nae nae

Nae Nae Day
latina equal pay

Latina Equal Pay Day