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

Other days

nae nae

Nae Nae Day
one

One Day
law

Law Day
cat girl

Cat Girl Day
frozen yogurt

Frozen Yogurt Day
ruby

Ruby Day
donate your hair

Donate Your Hair Day
lumpy rug

Lumpy Rug Day
prosecco

Prosecco Day
pick me

Pick Me Day