Oops, it doesn't look like 'best friend brother day' is a national day..

Other days

polyamory

Polyamory Day
frozen yogurt

Frozen Yogurt Day
self appreciation

Self Appreciation Day
prescription drug take back

Prescription Drug Take Back Day
special education

Special Education Day
hiv awareness

Hiv Awareness Day
bow tie

Bow Tie Day
me

Me Day
get funky

Get Funky Day
my little pony

My Little Pony Day